CCNA Practice Test | Routing and Switching exam

Which command is used to enable port security on an interface?

A. switchport port-security violation mode

B. switchport port-security

C. switchport access vlan vlan-number

D. switchport mode access

E. switchport port-security maximum number

F. switchport port-security mac-address mac_address

Which switch would STP choose to become the root bridge in the selection process?

A. 32768: 11-22-33-44-55-66

B. 32768: 22-33-44-55-66-77

C. 32769: 11-22-33-44-55-65

D. 32769: 22-33-44-55-66-78

You are downloading the following IOS image from Cisco's website:

C2900-universalk9-mz.SPA-152-4.M1.bin

Which statements are true about the image? (Choose two)

A. This image is for limited release and special use cases

B. This image is an ISO image

C. This image is version 152.4

D. This image is approved for general release and is digitally signed

E. This image is compressed and will run in RAM after being decompressed

F. This image is a unified communications image

Which statements correctly define variable-length subnet masking (VLSM)? (Choose two)

A. The process of creating subnets with different length masks and deploying them throughout the network

B. The process of creating subnets with the same length masks and deploying them throughout the network

C. The process of taking a default Class A, B, or C network and subnetting it

D. The process of taking an existing subnet and subnetting it again

What information does EIGRP share with neighboring routers?

A. Only dynamic routes that it is using

B. All routes that it has learned

C. All EIGRP routes that it has learned

D. Only routes that it is using

Which of the following outputs can the "show ip eigrp neigbors" command provide? (Choose four)

A. The number of EIGRP packets that the software is waiting to send

B. The address of the neighboring device

C. The order you have learned neighborships in

D. The length of time EIGRP will wait to hear from the peer before declaring it down

E. The internal and external distances

F. The maximum path, hop count, and metric variance

What must be the EIGRP for IPv6 reported distance in order for a second path to become a feasible successor?

A. Greater than the feasible distance of the successor

B. Equal to the feasible distance of the successor

C. Less than the feasible distance of the successor

D. Zero

Refer to the exhibit. Given the output shown from this Cisco Catalyst 2950, what is the reason that interface FastEthernet 0/10 is not the root port for VLAN 2?

A. This switch has more than one interface connected to the root network segment in VLAN 2.

B. This switch is running RSTP while the elected designated switch is running 802.1d Spanning Tree.

C. This switch interface has a higher path cost to the root bridge than another in the topology.

D. This switch has a lower bridge ID for VLAN 2 than the elected designated switch.

VLAN 10 has a priority of 4096 and VLAN 20 has a priority of 16384. VLAN 20 has a lower MAC address than VLAN 10.
What would be the likely result of running the "spanning-tree vlan 20 root primary" command for VLAN 20?

A. VLAN 10 would have a higher priority

B. VLAN 20 would have a higher priority

C. VLAN 20 would become the root bridge

D. VLAN 10 would become the root bridge

Refer to the exhibit. Which two statements are true of the interfaces on Switch? (Choose two)

Refer to the exhibit. Which two statements are true of the interfaces on Switch?

A. Multiple devices are connected directly to FastEthernet0/1.

B. A hub is connected directly to FastEthernet0/5.

C. FastEthernet0/1 is connected to a host with multiple network interface cards.

D. FastEthernet0/5 has statically assigned MAC addresses.

E. FastEthernet0/1 is configured as a trunk link.

F. Interface FastEthernet0/2 has been disabled.

Why will a switch never learn a broadcast address?

A. Broadcasts only use network layer addressing.

B. A broadcast frame is never forwarded by a switch.

C. A broadcast address will never be the source address of a frame.

D. Broadcast addresses use an incorrect format for the switching table.

E. Broadcast frames are never sent to switches.

When a wildcard mask is presented in binary, what do the zeros (0) indicate?

A. The network portion of the wildcard mask

B. The host portion of the wildcard mask

C. Ignore the corresponding bit in the IP address

D. Match the corresponding bit in the IP address

E. Match the corresponding bit in the subnet mask

The network administrator needs to address seven LANs. RIP version 1 is the only routing protocol in use on the network and subnet 0 is not being used. What is the maximum number of usable IP addresses that can be supported on each LAN if the organization is using one class C address block?

A. 8

B. 6

C. 30

D. 32

E. 14

F. 16

You are troubleshooting an interface issue on your Cisco IOS ISR. The output of "show ip interface brief" indicates that Ethernet0/0 is down, down.
What are the possible reasons for this? (Choose three)

A. There is no cable attached to Ethernet0/0

B. The device at the other end of the cable is powered off

C. The Ethernet0/0 interface is shutdown

D. The interface on the device at the other end of the cable is shutdown

E. There is an encapsulation mismatch between the devices at each end of the cable

You have implemented stateless address autoconfiguration in your local area network.
What will the end stations use as their default gateway address?

A. The link-local address of the router's interface

B. A special default gateway address that is provided in the router advertisement

C. The unique local address of the router's interface

D. The global address of the router's interface

E. The anycast address of the router's interface

Refer to the exhibit. How should the FastEthernet0/1 ports on the 2950 model switches that are shown in the exhibit be configured to allow connectivity between all devices?

A. The ports only need to be connected by a crossover cable.

B. SwitchX(config)# interface fastethernet 0/1
SwitchX(config-if)# switchport mode trunk

C. SwitchX(config)# interface fastethernet 0/1
SwitchX(config-if)# switchport mode access
SwitchX(config-if)# switchport access vlan 1

D. SwitchX(config)# interface fastethernet 0/1
SwitchX(config-if)# switchport mode trunk
SwitchX(config-if)# switchport trunk vlan 1
SwitchX(config-if)# switchport trunk vlan 10
SwitchX(config-if)# switchport trunk vlan 20

Within a deny statement for an IPv6 ACL, what are the possible values for the prefix? (Choose two)

A. Source or destination IPv6 host address

B. Wildcard for the source

C. Any prefix as an abbreviation for the IPv6 prefix ::/0

D. Name or number of an Internet protocol

Refer to the exhibit. Which three statements correctly describe Network Device A? (Choose three)

Refer to the exhibit. Which three statements correctly describe Network Device A?

A. With a network wide mask of 255.255.255.128, each interface does not require an IP address.

B. With a network wide mask of 255.255.255.128, each interface does require an IP address on a unique IP subnet.

C. With a network wide mask of 255.255.255.0, must be a Layer 2 device for the PCs to communicate with each other.

D. With a network wide mask of 255.255.255.0, must be a Layer 3 device for the PCs to communicate with each other.

E. With a network wide mask of 255.255.254.0, each interface does not require an IP address.

How does 802.1q identify the VLAN that the frame belongs to while it crosses the trunk link?

A. It encapsulates the entire frame with a 30 byte header and FCS

B. It encapsulates the entire frame with a 30 bits header and FCS

C. It places a 4 byte tag after the source MAC address in the frame

D. It places a 4 bit tag after the source MAC address in the frame

What are the characteristics of a VLAN? (Choose two)

A. It allows you to segment users by function as long as they are in the same LAN segment

B. It offers segmentation of broadcast domains

C. It replaces the use of broadcast domains in your network

D. It allows you to logically segment a network

What information is returned from the "show spanning-tree vlan vlan_id" command? (Choose three)

A. Interface, role, and cost information

B. Root ID information

C. Number of switches on the network

D. Bridge ID information

E. Routing protocol

What should be checked when troubleshooting IPv6 end-to-end connectivity? (Choose three)

A. Incorrect default gateways

B. Physical location of devices

C. Physical connection issues

D. Blocked traffic from ACLs

What is required for a directly connected route to be added to the routing table? (Choose two)

A. The network command must be issued under the routing process

B. BGP must be running on the router

C. A local route must be manually created

D. The IP route command must be configured in global configuration mode

E. Configure an IP address on the interface

F. The interface Status must be up and the Protocol must be up

Which calculation is used to determine whether or not EIGRP for IPv6 feasible successors can be use for load-balancing?

A. Variance * feasible distance of the successor

B. Variance / reported distance

C. Variance * reported distance

D. Variance / feasible distance of the successor

Which of the following options are examples of VLSM? (Choose three)

A. Taking the 192.168.1.0/27 and subnetting it to multiple /30s

B. Taking 192.168.1.0/24 and subnetting it to multiple /29s

C. Taking 172.16.1.0/24 and subnetting it to multiple /26s

D. Taking 10.1.24.128/26 and subnetting it to multiple /28s

E. Taking 172.16.0.0/16 and subnetting it to multiple /24s

What guidelines should you follow when troubleshooting a duplex or speed mismatch between two ends of a link? (Choose two)

A. Autonegotiation of speed and duplex is recommended on ports that are connected to critical endpoints

B. Point-to-point Ethernet links should always run in half-duplex mode

C. Manually set the speed and duplex on links between networking devices and ports connected to critical end points

D. Verify duplex and speed settings on an interface using the show interfaces command

Refer to the exhibit. All of the routers in the network are configured with the ip subnet-zero command. Which network addresses should be used for Link A and Network A? (Choose two)

Refer to the exhibit. All of the routers in the network are configured with the ip subnet-zero command. Which network addresses should be used for Link A and Network A?

A. Network A - 172.16.3.48/26

B. Network A - 172.16.3.128/25

C. Network A - 172.16.3.192/26

D. Link A - 172.16.3.0/30

E. Link A - 172.16.3.40/30

F. Link A - 172.16.3.112/30

You are performing password recovery on your 2900 ISR. You have successfully merged the startup configuration file, changed all the passwords, and enabled all the required interfaces.
What else do you need to do in order to complete the password recovery process successfully? (Choose two)

A. Copy the contents of NVRAM to RAM

B. Copy the running configuration to the startup configuration

C. Change the configuration register value

D. Issue the boot system command

E. Reload the router

Refer to the exhibit. Why has this switch not been elected the root bridge for VLAN1?

A. It has more than one interface that is connected to the root network segment.

B. It is running RSTP while the elected root bridge is running 802.1d spanning tree.

C. It has a higher MAC address than the elected root bridge.

D. It has a higher bridge ID than the elected root bridge.

Refer to the graphic. Host A is communicating with the server. What will be the source MAC address of the frames received by Host A from the server?

A. the MAC address of router interface e0

B. the MAC address of router interface e1

C. the MAC address of the server network interface

D. the MAC address of host A

You are implementing a VLSM network. You are using the Class A network of 10.0.0.0/8 and need to create networks that support 254 hosts that will be used for each LAN. The tenth network that was created will be used for addressing all the point-to-point links between routers at HQ, all the point-to-point WAN links, and any point-to-point links in the branch offices.
What is the subnet ID of the second point-to-point network created?

A. 10.0.9.8/30

B. 10.0.9.2/30

C. 10.0.9.6./30

D. 10.0.9.4/30

E. 10.0.10.4/30

F. 10.0.10.2/30

How many IPv4 ACLs can you apply to a router interface?

A. Four, two inbound and two outbound

B. Two, one inbound and one outbound

C. As many as you need, inbound or outbound

D. Only one, inbound or outbound

Refer to the exhibit. At the end of an RSTP election process, which access layer switch port will assume the discarding role?

A. Switch3, port fa0/1

B. Switch3, port fa0/12

C. Switch4, port fa0/11

D. Switch4, port fa0/2

E. Switch3, port Gi0/1

F. Switch3, port Gi0/2

Which command can be used to prevent syslog messages from interrupting the commands that you are currently typing in?

A. no login

B. enable secret

C. no exec

D. transport input telnet

E. service password-encryption

F. logging synchronous

G. exec-timeout

Which option should be used with the "switchport trunk allowed vlan" command to include specified VLANs in the existing list of allowed VLANs on a trunk link?

A. add

B. except

C. remove

D. none

E. all

Which of the following are characteristics of IP? (Choose three)

A. Connection-oriented protocol

B. Guaranteed delivery

C. Connectionless protocol

D. Transport layer protocol

E. Best-effort delivery

F. Network layer protocol

You are upgrading your Cisco IOS image on your 2900 ISR. You won't be removing the old IOS image from the device for disaster recovery reasons. After copying the IOS image from the tftp server to flash and rebooting the device, you notice that the old operating system image is still loading.

How can you load the new IOS image?

A. Issue the boot system command and reload the device

B. Issue the config-register 0x2142 command and reload the device

C. Issue the copy running-config startup-config command

D. Issue the write memory command

What will the following IPv4 ACL accomplish when applied inbound on interface FastEthernet0/0 of your Cisco ISR?

access-list 147 deny tcp 10.1.1.0 0.0.0.255 10.0.0.0 0.255.255.255 eq 23

A. Prevent any device with an IP address from 10.0.0.0 to 10.255.255.255 from establishing a telnet connection to any device with an IP address from 10.1.1.0 to 10.1.1.255

B. Allow any device with an IP address from 10.0.0.0 to 10.255.255.255 from establishing a telnet connection to any device with an IP address from 10.1.1.0 to 10.1.1.255

C. Allow any device with an IP address from 10.1.1.0 to 10.1.1.255 from establishing a telnet connection to any device with an IP address from 10.0.0.0 to 10.255.255.255

D. Allow any device with an IP address from 10.1.1.0 to 10.1.1.255 from establishing an ssh connection to any device with an IP address from 10.0.0.0 to 10.255.255.255

E. Prevent any device with an IP address from 10.1.1.0 to 10.1.1.255 from establishing a telnet connection to any device with an IP address from 10.0.0.0 to 10.255.255.255

F. Prevent any device with an IP address from 10.1.1.0 to 10.1.1.255 from establishing a telnet connection to the local router

Cisco test CCNA 200-125

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Cisco test CCNA 200-125

While calculating your results take a moment to complete our simple survey!

How likely is it that you would recommend LearnCisco.net to a friend or colleague?

Why?

How likely is it that you would recommend LearnCisco.net
to a friend or colleague?