Data Communications And Networking 2
Refer to the exhibit. Which rule does the DHCP server use when there is an IP address conflict?
The address is removed from the pool until the conflict is resolved.
Which two network parameters are used by EIGRP as metrics to select the best path to reach a network?
1. Jitter
2. bandwidth
3. resiliency
4. hop count
5. delay
6. confidentiality
What is the best practice relative to switch port modes?
Do not use the dynamic auto or dynamic desirable.
There is an activity and the port is sending or receiving data.
Which of the following is the command to configure the switch default gateway with IP address of 172.10.90.1?
Ip default-gateway 172.10.90.1
The ________________ switches do not support features or options beyond those that originally came with the switch.
Fixed configuration
What is the default administrative distance of OSPF?
110
Which three statements describe the routing protocol OSPF?
A router has two FastEthernet interfaces and needs to connect to four vlans in the local network. How can you accomplish this task, using the fewest physical interfaces and without decreasing network performance?
Implement a router-on-a-stick configuration.
Routers support three packet-forwarding mechanisms. These are
Process, Fast, Cisco Express Forwarding
Which 3 statements describe the routing protocol OSPF?
The OSPF Hello protocol performs which of the following tasks?
Which task does the Dynamic Host Configuration Protocol perform?
Assign and renew IP address from the default pool.
Which is the VLAN not tagged by 802.1q?
Native VLAN
Configurations are stored within a VLAN database file, called
vlan.dat
A collection of interconnected switches forms a _______________________.
Broadcast domain
"Which two statements correctly describe the components of a router? 1. RAM permanently stores the configuration file used during the boot sequence. 2. ROM contains diagnostics executed on hardware modules. 3. NVRAM stores a backup copy of the IOS used during the boot sequence. 4. Flash memory does not lose its contents during a reboot. 5. ROM contains the most current and most complete version of the IOS. 6. Flash contains boot system commands to identify the location of the IOS"
2 & 4
OSPF routing uses the concept of areas. What are the three characteristics of OSPF areas?
2, 3, 2005
What is the command to set the IP address (192.168.10.2) and subnet mask (255.255.0.0) for specific Fast Ethernet interface?
ip address 192.168.10.2 255.255.0.0
Which parameter would you tune to affect the selection of a static route as a backup, when a dynamic protocol is also being used?
Which of the following 3 methods/types of NAT?
Which command is used to configure an IPv6 address on a router interface so that the router will combine a manually specified network prefix with an automatically generated interface identifier?
ipv6 address ipv6-address/prefix-length eui-64
Which statement are generally considered to be best practices in the placement of ACLs? (Choose three.)
Place standard ACLs close to the destination IP address of the traffic.
Refer to the exhibit below. Which two statements about the configuration of the switch interface are correct?
VLAN IDs 1002 through 1005 are reserved for
The extended range of VLAN ID is
between 1006 and 4094
VLANis a switching technology that reduces the size of a broadcast domain.
4 & 6
If your routing table has a static, a RIP, and an OSPF route to the same network, which route will be used to route packets by default?
Telnet protocol by default uses Port ______.
23
Which of the following is NOT an element of converged network?
What is the status of the Port speed LED if the LED light is blinking green?
The port is operating at 1000 Mbps.
A network associate in Genesis Aerospace Industries has configured OSPF with the command:
2, 3, 2006
What two functions describe uses of an access control list?
Which two features are characteristics of flash memory?
1. Flash receives a copy of the IOS from RAM when a device is powered on.
2. Flash provides nonvolatile storage.
3. The contents of flash may be overwritten.
4. Flash is a component in Cisco switches but not in Cisco routers.
5. The contents of flash may be lost during a power cycle.
Which three features are of OSPF routing protocol?
debug ipnat
This is the practice of inserting a VLAN ID into a packet header in order to identify which VLAN (Virtual Local Area Network) the packet belongs to.
VLAN tagging
Refer to the diagram below. The network administrator of RMS Overseas and Employment Agency that has the IP address of 10.0.70.23/25 needs to have access to the corporate FTP server (10.0.54.5/28). The FTP server is also a web server that is accessible to all internal employees on networks within the 10.x.x.x address. No other traffic should be allowed to this server. Which extended ACL would be used to filter this traffic, and how would this ACL be applied?
The _____ switches typically come with different sized chassis that allow for the installation of different numbers of line card.
Modular configuration
Which statement describe a characteristicof load balancing?
In this attack, the attacker exploits a flaw in the Telnet server software running on the switch that renders the Telnet service unavailable. This sort of attack prevents an administrator from remotely accessing switch management functions. This can be combined with other direct attacks on the network as part of a coordinated attempt to prevent the network administrator from accessing core devices during the breach.
Which of the following are 3 disadvantages of using NAT?
1, 3, 2005
What is the purpose of the DHCP server?
to provide an IP configuration information to hosts
Refer to the graphic. It has been decided that PC1 should be denied access to Server. Which 2 of the following commands are required to prevent only PC1 from accessing Server1 while allowing all other traffic to flow normally?
Sometimes switch ports must manually have their duplex mode manually configured. This duplex mode increases effective bandwidth by allowing both ends of a connection to transmit and receive data simultaneously.
Full duplex mode
A switch populates the MAC address table based on destination MAC addresses.
What are the two main types of access control lists (ACLs)?
1 and 3
Which of the following is NOT a benefit of VLAN?
Dividing Layer 1,2 and 3 networks into multiple physical workgroups reduces unnecessary traffic on the network and boosts performance.
Which of the statements describe characteristic of load balancing?
Load balancing allows a router to forward packets over multiple paths to the same destination network.
Which statement is true regarding routing metrics?
Routers compare metrics to determine the best path.
What is the status of the Port speed LED if the LED light is green?
The port is operating at 100 Mbps.
"The primary functions of a router are the following? 1. Packet switching 2. Flow control 3. Domain name resolution 4. Path selection 5. Microsegmentation"
The OSPF Hello protocol performs which of the following 2 tasks?
1 & 3
Refer to the exhibit. A junior network engineer in one of the biggest telecom company in the Philippines has prepared the exhibited configuration file. What two statements are true of the planned configuration for interface fa0/1?
The AJ company has a small network. The network consists of one switch and one router. The switch has been configured with two VLANs. The router has been configured as a router-on- a-stick to allow inter-VLAN routing. A trunk is configured to connect the switch to the router. Whatis the minimum number of router subinterfaces that are required for all the VLANs to communicate?
two
A switch is configured with all ports assigned to vlan 2 with full duplex FastEthernet to segment existing departmental traffic. What is the effect of adding switch ports to a new VLAN on the switch?
An additional broadcast domain will be created.
Which two statements describe the process identifier that is used in the command to configure OSPF on a router?
3 & 4
Which command will create a dynamic pool named Todd that will provide you with 30 global addresses?
ip nat pool Todd 171.16.10.65 171.16.10.94 net 255.255.255.224
Which of the following describes Dynamic Trunking Protocol?
Dynamic Trunking Protocol is disable by default.
This memory provides temporary storage for various applications and processes, including the running IOS, the running configuration file, IP routing table, Ethernet ARP table.
RAM
"Which two statements correctly describe the concepts of administrative distance and metric? 1. The metric varies depending which Layer 3 protocol is being routed, such as IP. 2. A router first installs routes with higher administrative distances. 3. The value of the administrative distance can not be altered by the network administrator. 4. Routes with the smallest metric to a destination indicate the best path. 5. Administrative distance refers to the trustworthiness of a particular route. 6. The metric is always determined based on hop count."
4 & 5
To troubleshoot issues when a trunk is not forming or when VLAN leaking is occurring, what command to be used to check whether the local and peer native VLANs match?
show interfaces trunk
This type of attack takes advantage of the way that hardware on most switches operates. Most switches perform only one level of 802.1Q de- encapsulation, which allows an attacker to embed a hidden 802.1Q tag inside the frame.
Double Tagging Attack
Refer to the exhibit. What will happen to HTTP traffic coming from the Internet that is destined for 172.12.12.10 if the traffic is processed by this ACL?
Traffic will be dropped, because of the implicit deny all at the end of the ACL.
PAT Address Translation is also termed what?
NAT Overload
Which two link protocols are used to carry multiple VLANs over a single link?
802.1q & ISL
A type of VLAN that is configured to carry user-generated traffic.
Data VLAN
Which parameter or parameters are used to calculate OSPF cost in Cisco routers?
Which item represents the standard IP ACL?
access-list 50 deny 192.168.1.1 0.0.0.255
What is the command to configure the interface to automatically negotiate speed with the connected device?
speed auto
This memory stores router bootup instructions and basic diagnostic software.
ROM
If an address conflict is detected, the address is removed from the pool and will not be reused until the server is rebooted.
Which of the following would be a good starting point for troubleshooting if your router is not translating?
Check your interfaces for the correct configuration.
Which IPv6 ACL command entry will permit traffic from any host to an SMTP server on network 2001:DB8:10:10::/64?
Permit tcp any host 2001:DB8:10:10::100 eq 25
ip nat outside
show ip nat statistics
As a network administrator, you have been instructed to prevent all traffic originating on the LAN from entering the R2 router. Which the following command would implement the access list on the interface of the R2 router?
What is one feature that distinguishes routers from Layer 2 switches?
Routers support a variety of interface types. Switches typically support Ethernet interfaces.
Which of the following statement is INCORRECT?
When selecting the type of switch, rack units should always be considered. Rack units is the number ports available in the network switch.
Which command would you place on interface on a private network?
ip nat inside
Which protocolis used to configure trunking on a switch?
802.1q
Which router command allows you to view the entire contents of all access lists?
Show access-lists
The following access list below was applied outbound on the E0 interface connected to the 192.169.1.8/29 LAN:
All traffic exiting E0 will be denied
Router On Stick is a method used for communicating inter-vlan using a router.
The correct answer is ''True''.
Which of the following describes a VLAN?
If your routing table has a static, a RIP, and an IGRP route to the same network, which route will be used to route packets by default?
Static route
Global configuration mode is used to configure system globally, or to enter specific configuration modes to configure specific elements such as protocols. What is the command to enter global configuration mode?
configure terminal
Which of the following would be good reasons to run NAT?
1, 2 and 4
Refer to the exhibit. The network administrator that has the IP address of 10.0.70.23/25 needs to have access to the corporate FTP server (10.0.54.5/28). The FTP server is also a web server that is accessible to all internal employees on networks within the 10.x.x.x address. No other traffic should be allowed to this server. Which extended ACL would be used to filter this traffic, and how would this ACL be applied?
What type of DHCP attack where in an attacker configures a fake DHCP server on the network to issue DHCP addresses to clients. The normal reason for this attack is to force the clients to use false Domain Name System (DNS) or Windows Internet Naming Service (WINS) servers and to make the clients use the attacker, or a machine under the control of the attacker, as their default gateway.
"Refer to the exhibit. According to the routing table, where will the router send a packet destined for 10.1.5.65? Network Interface Next-hop 10.1.1.0/24 e0 directly connected 10.1.2.0/24 e1 directly connected 10.1.3.0/25 s0 directly connected 10.1.4.0/24 s1 directly connected 10.1.5.0/24 e0 10.1.1.2 10.1.5.64/28 e1 10.1.2.2 10.1.5.64/29 s0 10.1.3.3 10.1.5.64/27 s1 10.1.4.4"
10.1.3.3
What are two benefits of using NAT?
Join native VLAN to VLAN.
What is the command to assign the port to a particular VLAN when the interface is in access mode?
switchport access vlanvlan-id
In the Switch port LED status, if the LED is blinking green what is the status of switch?
There is activity and the port is sending or receiving data.
Which statement is correct regarding the operation of DHCP?
If an address conflict is detected, the address is removed from the pool and an administrator must resolve the conflict.
This is used to connect a PC to the console port of a switch for configuration.
Console cable
Stackable that are arranged one on top of the other with cables linking the switches in a _____________ connection.
Daisy Chain
Which of the following is the command to specify a VLAN name? Name of VLAN is employee.
name employee
This is the path over which the data is transferred in a network. It describes how the network devices appear connected to network users.
logical topology
What route would have the lowest administrative distance?
A directly connected network
"To enable network access to a remote destination, what three pieces of information must be configured on a host? 1. default gateway 2. hostname 3. DNS server address 4. DHCP server address 5. IP address 6. subnet mask"
1, 5, 2006
Addresses are leased to host. A host will usually keep the same address by periodically contacting the DHCP sever to renew the lease.
Refer to the exhibit. Which two statements are true about the loopback address that is configured on RouterB?
If a router has two interfaces and is routing both IPv4 and IPv6 traffic, how many ACLs could be created and applied to it?
show ip nat translations
Refer to the exhibit. Which statement are true about interVLAN routing in the topology that is shown in the exhibit?
The FastEthernet 0/0 interface on Router1 must be configured with subinterfaces.
Which command is used to determine if an IP access list is enabled on a particular interface?
Show ip interface
This is the arrangement of the cables, network devices, and end systems. It describes how the network devices are actually interconnected with wires and cables.
physical topology
The ip helper-address command does what?
Relays a DHCP request across networks
Which command would you place on interface connected to the Internet?
ipnat outside
How does a DHCP server dynamically assign IP address to host?
Addresses are allocated after a negotiation between the server and the host to determine the length of the agreement.
This layer provide fault isolation and high-speed backbone onnectivity.
A switch forwarding method that makes a forwarding decision on a frame after it has received the entire frame and then checked the frame for errors.
Store-and-forward switching
A network administrator is trying to add a new router into an established OSPF network. The networks attached to the new router do not appear in the routing tables of the other OSPF routers. Given the information in the partial configuration shown below, what configuration error is causing this problem?
The primary functions of a router are the following?
1. Packet switching
2. Flow control
3. Domain name resolution
4. Path selection
5. Microsegmentation
Which version of NAT allows many hosts inside a private network to simultaneously use a single inside global address for connecting to the Internet?
PAT
This layer provide fault isolation and high-speed backbone connectivity.
Refer to the exhibit. A network administrator has configured R1 as shown. When the administrator checks the status of the serial interface, the interface is shown as being administratively down. What additional command must be entered on the serial interface of R1 to bring the interface up?
no shutdown
This is a protocol that is used to synchronize the clocks of computer systems over packet-switched, variable-latency data networks.
Network Time Protocol
Which command will allow you to see real-time translations on your router?
debug ip nat
Which commands are required to properly configure a router to run OSPF and to add network 192.168.16.0/24 to OSPF area 0?
What is the command used to determine the status of both physical and virtual interfaces including IP address?
show ip interface brief
Which of the following is NOT a characteristics of a network?
All of the choices
Which two commands are required to properly configure a router to run OSPF and to add network 192.168.16.0/24 to OSPF area 0?
1 & 4
Which two characteristics are shared by both standard and extended ACLs?
3 & 5
Which are the 2 trunking protocols?
ISL & IEEE 802.1q
Which command will show you the summary of the NAT configuration?
show ipnat statistics
This is a point-to-point link between two network devices that carries more than one VLAN.
What type of DHCP attack where in an attacker floods the DHCP server with DHCP requests to use all the available IP addresses that the DHCP server can issue. After these IP addresses are issued, the server cannot issue any more addresses, and this situation produces a denial-of-service (DoS) attackas new clients cannot obtain network access.
What command sequence will configure a router to run OSPF and add network 10.1.1.0 /24 to area 0?
"router ospf 1 network 10.1.1.0 0.0.0.255 area 0"
"Which two network parameters are used by EIGRP as metrics to select the best path to reach a network? 1. Jitter 2. bandwidth 3. resiliency 4. hop count 5. delay 6. confidentiality"
2 & 5
the highest IP address among its active interfaces
Which statement about access lists that are applied to an interface is true?
You can configure one access list, per direction, per layer 3 protocol
Which command will show you all the translations active on your router?
show ipnat translations
As a network administrator of RMS Aerospace Industries, you have been instructed to prevent all traffic originating on the LAN from entering the R2 router. Which the following command would implement the access list on the interface of the R2 router?
ip access-group 101 in
When a DHCP server is configured, which two IP addresses should never be assignable to hosts?
3 & 6
This is used between a network device and server or other device that is equipped with an appropriate 802.1Q-capable NIC.
Trunks
The following are VLAN best practices EXCEPT?
What is the command to create a VLAN with a valid VLAN ID number 30?
Vlan 30
Which two statements about static NAT translations are true?
1 & 2
Refer to the exhibit. The user at Workstation B reports that Server A cannot be reached. What is preventing Workstation B from reaching Server A?
The gateway for Server A is not on the same subnet.
In troubleshooting VLANs, what command should be used to check whether the port belongs to the expected VLAN?
show vlan
From the following list of IP addresses configured on R1, which address will the OSPF process select as the router ID?
192.168.0.1
Refer to the exhibit. What free51 will allow both PC A and PC B to access the Internet with the minimum amount of router CPU and network bandwidth utilization?
Configure a static default route from R1 to Edge, a default route from Edge to the Internet, and a static route from Edge to R1
Which series of commands will configure router R1 for LAN-to-LAN communication with router R2?
The enterprise network address is 192.1.1.0/24 and the routing protocol in use is RIP. (Choose three.)
A. R1(config)# interface ethernet 0
R1(config-if)# ip address 192.1.1.129 255.255.255.192
R1(config-if)# no shutdown
D. R1(config)# interface serial 0
R1(config-if)# ip address 192.1.1.6 255.255.255.252
R1(config-if)# no shutdown
F. R1(config)# router rip
R1(config-router)# version 2
R1(config-router)# network 192.1.1.0
OSPF is configured using default classful addressing. With all routers and interfaces operational, how many networks will be in the routing table of R1 that are indicated to be learned by OSPF ?
4
Refer to the exhibit. After you apply the give configurations to R1 and R2 you notice that OSPFv3 fails to start.
Which reason for the problem is most likely true?
The area numbers on R1 and R2 are mismatched
Which of the following HSRP router states does an active router enter when it is preempted by a higher priority router?
Speak
Host is able to ping a web server but it is not able to do HTTP request.
ACL blocking port 80
Refer to the exhibit. What commands must be configured on the 2950 switch and the router to allow communication between host 1 and host 2? (Choose two.)
The option wherein there’s the encapsulation dot1q and switchport mode trunk
Which two statements describe characteristics of IPv6 unicast addressing? (Choose two.)
Global addresses start with 2000::/3.
There is only one loopback address and it is ::1.
Which three statements about VTP features are true? (Choose three.)
When properly configured, VTP minimizes VLAN misconfigurations and configuration inconsistencies.
VTP pruning is used to increase available bandwidth in trunk links.
Which two statements describe a routed switch port on a multilayer switch? (Choose two)
The port is not associated with any VLAN
The routed switch port is used when a switch has only one port per VLAN or subnet
Which routing protocol was designed by the International Organization for Standardization (ISO)?
IS-IS
Which routing protocol uses both bandwidth and delay to determine the best pathway to reach a remote network?
Which classless routing protocol supports VLSM and CIDR, supports manual route summarization, and uses the multicast address 224.0.0.9?
RIPv2
What are two situations where an OSPF router would send out a link-state packet (LSP)? (Choose two.)
1. during the initial startup of the routing protocol process
2. when a neighbor adjacency changes
Which routing protocol uses the DUAL algorithm and sends multicast messages to propagate routing updates?
Which operation feature is different between EIGRP and RIP?
EIGRP stores all routes learned from neighbors in a topology table.
Which interior routing protocol uses protocol-dependent modules (PDMs)?
What are two characteristics of link-state protocols compared to distance vector protocols? (Choose two.)
1. They require a lot of hardware resources.
2. They compute their own knowledge of the network topology.
Which two statements are true for OSPF Hello packets? (Choose two.)
1. They are used to maintain neighbor relationships.
2. They are used for dynamic neighbor discovery.
Which algorithm is used by the OSPF routing process to construct the SPF tree on a router?
Dijkstra''s algorithm
Which routing protocol uses the Diffusing Update Algorithm to install routes into the routing table?
EIGRP
What loop prevention technique is implemented by distance vector routing protocols?
split horizon
Which two routing protocols are classified as link-state protocols? (Choose two.)
1. OSPF
2. IS-IS
How can a network administrator reduce SPF overhead on OSPF routers?
Implement multiple areas of OSPF.
What is an advantage of OSPF compared to RIP?
Fast convergence
The _____________ parameter can be added to the show interfaces interface_id command to display the administrative and operational switch interface mode.
switchport
Switch(config)# interface gigabitethernet 0/1
Switch(config-if)# no switchport
Refer to the exhibit. A network administrator has configured router CiscoVille with the above commands to provide inter-VLAN routing. What type of port will be required on a switch that is connected to Gi0/0 on router CiscoVille to allow inter-VLAN routing?
trunk port
Refer to the exhibit. An administrator is troubleshooting a router-on-a-stick network that should have the following requirements:
VLAN ID Network Subnet mask Subinterface Default Gateway
10 172.17.10.0 255.255.255.0 Fa 0/0.10 172.17.10.1
20 172.17.20.0 255.255.255.0 Fa 0/0.20 172.17.20.1
30 172.17.30.0 255.255.255.0 Fa 0/0.30 172.17.30.1
Which two errors can be identified from the show running-config command output from the router? (Choose two.)
1. The VLAN ID for VLAN 30 is wrongly configured.
2. The IP address and subnet mask are wrongly configured for VLAN 20.
Refer to the exhibit. Access1 is a new switch that is to be connected as a VTP client to the network once it has been configured. Given the output generated by the VTP server switch Dist-2, which series of configuration commands would successfully introduce the client switch into the VTP domain?
Access1(config)# vtp mode client
Access1(config)# vtp domain MYCORP
Access1(config)# vtp version 2
Access1(config)# vtp password ITrustYou
Refer to the exhibit. Which option correctly describes the function of a switch that is configured in VTP transparent mode?
option 4
Refer to the exhibit. Switch SW2 was tested in a lab environment and later inserted into the production network. Before the trunk link was connected between SW1 and SW2, the network administrator issued the show vtp status command as displayed in the exhibit. Immediately after the switches were interconnected, all users lost connectivity to the network. What could be a possible reason for the problem?
Switch SW2 has a higher VTP revision number, which causes deletion of the VLAN information in the VTP domain.
Refer to the exhibit. A network administrator is configuring RT1 for inter-VLAN routing. The switch is configured correctly and is functional. Host1, Host2, and Host3 cannot communicate with each other. Based on the router configuration, what is causing the problem?
IP addresses on the subinterfaces are incorrectly matched to the VLANs
router-on-a-stick
What are two advantages of EtherChannel? (Choose two.)
1. Configuring the EtherChannel interface provides consistency in the configuration of the physical links.
2. Spanning Tree Protocol views the physical links in an EtherChannel as one logical connection.
Which two parameters must match on the ports of two switches to create a PAgP EtherChannel between the switches? (Choose two.)
1. speed
2. VLAN Information
A network administrator is analyzing the features that are supported by different first-hop router redundancy protocols. Which statement is a feature that is associated with GLBP?
GLBP allows load balancing between routers.
What are two load-balancing methods in the EtherChannel technology? (Choose two.)
1. source IP to destination IP
2. source MAC to destination MAC
When EtherChannel is configured, which mode will force an interface into a port channel without exchanging aggregation protocol packets?
on
When EtherChannel is implemented, multiple physical interfaces are bundled into which type of logical connection?
port channel
A network administrator is analyzing first-hop router redundancy protocols. What is a characteristic of VRRPv3?
It supports IPv6 and IPv4 addressing.
When a range of ports is being configured for EtherChannel, which mode will configure LACP on a port only if the port receives LACP packets from another device?
passive
Which command will start the process to bundle two physical interfaces to create an EtherChannel group via LACP?
channel-group 2 mode auto
Refer to the exhibit. Which switching technology would allow data to be transmitted over each access layer switch link and prevent the port from being blocked by spanning tree due to the redundant link?
Refer to the exhibit. A network administrator is reviewing the configuration of switch S1. Which protocol has been implemented to group multiple physical ports into one logical link?
PAgP
As the network administrator you have been asked to implement EtherChannel on the corporate network. What does this configuration consist of?
A network administrator is analyzing the features that are supported by different first-hop router redundancy protocols. Which statement describes a feature that is associated with HSRP?
HSRP uses active and standby routers.
Which two channel group modes would place an interface in a negotiating state using PAgP? (Choose two.)
1. desirable
2. auto
A network administrator configured an EtherChannel link with three interfaces between two switches. What is the result if one of the three interfaces is down?
The remaining two interfaces continue to load balance traffic.
Which mode configuration setting would allow formation of an EtherChannel link between switches SW1 and SW2 without sending negotiation traffic?
SW1: on
SW2: on
Fill in the blank.
The number of ports available on a single switch is referred to as _____________
Match the design model layer to the appropriate network function. (Not all options are used.)
1. Core Layer: provides a high-speed backbone link between dispersed networks
2. Distribution Layer: forwards traffic from one local network to another
3. Access Layer: provides connectivity for users
Fill in the blank.
Among the beneficial functions of a router are enhanced network security and containment of ________ traffic
Spanning Tree Protocol (STP)
Which two methods help to prevent the disruption of network services? (Choose two.)
1. installing duplicate equipment to provide failover services
2. using redundant connections to provide alternate physical paths
function of PoE pass-through?
Which two types of connections can be used for out-of-band configuration for a Cisco IOS network device? (Choose two.)
1. console
2. AUX
A company has deployed four 48-port access layer switches to a switch block. For redundancy each access layer switch will connect to two distribution layer
switches. Additionally, link aggregation will be used to combine 10 Gbps interfaces to form 20 Gbps trunk links from the access layer switches to the distribution layer switches. How many switch ports on the access layer switches will be available in the switch block to support end devices?
