CCNA Practice Test | Routing and Switching exam

If both the cost and upstream BID are tied, which BPDU value is used to break this tie?

A. Upstream Port ID

B. Priority

C. Status

D. MAC address

Refer to exhibit. Which destination addresses will be used by Host A to send data to Host C? (Choose two)

Refer to exhibit. Which destination addresses will be used by Host A to send data to Host C?

A. the IP address of Switch 1

B. the MAC address of Switch 1

C. the IP address of Host C

D. the MAC address of Host C

E. the IP address of the router's E0 interface

F. the MAC address of the router's E0 interface

You are configuring your Cisco IOS switch. You have issued the command "enable secret my_secure_password".
What are the results of executing the command? (Choose two)

A. The password "my_secure_password" will be required to access the console port

B. The password "my_secure_password" will be hashed in the running configuration

C. The password "my_secure_password" will be required to access the vty lines

D. The password "my_secure_password" will be encrypted in the running configuration

E. The password "my_secure_password" will be required to access privilege EXEC mode

F. The password "my_secure_password" will be in plain text in the running configuration

Which type of LSA with OSPFv3 describes the link-local address information?

A. Type-5 LSA

B. Type-9 LSA

C. Type-1 LSA

D. Type-8 LSA

E. Type-7 LSA

Which three statements accurately describe Layer 2 Ethernet switches? (Choose three)

A. Spanning Tree Protocol allows switches to automatically share VLAN information.

B. Establishing VLANs increases the number of broadcast domains.

C. Switches that are configured with VLANs make forwarding decisions based on both Layer 2 and Layer 3 address information.

D. Microsegmentation decreases the number of collisions on the network.

E. In a properly functioning network with redundant switched paths, each switched segment will contain one root bridge with all its ports in the forwarding state. All other switches in that broadcast domain will have only one root port.

F. If a switch receives a frame for an unknown destination, it uses ARP to resolve the address.

Which of the following options are dynamic routing protocols that are used with IPv6? (Choose three)

A. MP-BGP4

B. RIPv2

C. RIPng

D. OSPFv2

E. OSPFv3

Which of the following are the three considerations for a WAN connection? (Choose three)

A. Dedicated

B. Switched

C. Internet

D. Core

E. Distribution

F. Intranet

Which statement about VLAN operation on Cisco Catalyst switches is true?

A. When a packet is received from an 802.1Q trunk, the VLAN ID can be determined from the source MAC address and the MAC address table.

B. Unknown unicast frames are retransmitted only to the ports that belong to the same VLAN.

C. Broadcast and multicast frames are retransmitted to ports that are configured on different VLAN.

D. Ports between switches should be configured in access mode so that VLANs can span across the ports.

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

You are looking at the MAC address 00:00:0c:43:2e:08.
Which hexadecimal values in the MAC address represent the vendor-assigned portion of the MAC address?

A. 43:2e:08

B. 00:00:0c:43:2e:08

C. 2e:08

D. c:43:2e:08

E. 00:0c:43:2e:08

F. 0c:43:2e:08

What will happen if a private IP address is assigned to a public interface connected to an ISP?

A. Addresses in a private range will be not be routed on the Internet backbone.

B. Only the ISP router will have the capability to access the public network.

C. The NAT process will be used to translate this address to a valid IP address.

D. A conflict of IP addresses happens, because other public routers can use the same range.

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

Review the following router configuration and identify the correct statements regarding telnet access to the router:

Router(config)#access-list 1 deny host 10.1.20.1
Router(config)#access-list 1 deny host 10.1.20.2
Router(config)#access-list 1 permit host 10.1.10.1
Router(config)#access-list 1 permit host 10.1.10.2
Router(config)#access-list 1 permit 10.1.20.0 0.0.0.255
Router(config)#line vty 0 4
Router(config-line)#access-class 1 in (Choose two)

A. Telnet access from all hosts in the 10.1.20.0/24 network is denied except 10.1.20.1 and 10.1.20.2

B. Telnet access from hosts 10.1.20.1 and 10.1.20.2 is allowed

C. Telnet access from hosts 10.1.10.1 and 10.1.10.2 is allowed

D. Telnet access from all hosts in the 10.1.10.0/24 network is allowed

E. Telnet access from all hosts in the 10.1.20.0/24 network is allowed except 10.1.20.1 and 10.1.20.2

F. Telnet attempts that are denied will generate a syslog message

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

Which are valid modes for a switch port used as a VLAN trunk? (Choose three)

A. transparent

B. auto

C. on

D. desirable

E. blocking

F. forwarding

You are configuring RIPv2 on your Cisco IOS router.
Which command and configuration mode is used to enable the RIP routing process on an interface?

A. R1(config-router)#interface interface_id

B. R1(config-if)#ip rip enable

C. R1(config-router)#network network_id

D. R1(config-if)#network network_id

Which of the following is a secure connection sold by service providers for WAN connectivity?

A. Service VPN

B. Access VPN

C. SSL VPN

D. Service provider managed VPN

You have a Class B IP address with a subnet mask of /22.
How many bits were borrowed from the host portion of the address?

A. Six

B. Five

C. Seven

D. Nine

E. Eight

F. Four

Which two of these are characteristics of the 802.1Q protocol? (Choose two)

A. It is used exclusively for tagging VLAN frames and does not address network reconvergence following switched network topology changes.

B. It modifies the 802.3 frame header, and thus requires that the FCS be recomputed.

C. It is a Layer 2 messaging protocol which maintains VLAN configurations across networks.

D. It includes an 8-bit field which specifies the priority of a frame.

E. It is a trunking protocol capable of carrying untagged frames.

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

Which method of assigning IPv6 addresses enables plug-and-play networking of devices to help reduce administration overhead?

A. DHCP for IPv6

B. Stateless autoconfiguration

C. Static assigning using an EUI-64 interface ID

D. Static assignment using a manual interface ID

Which of the following correctly define the NATIVE VLAN? (Choose three)

A. It must match on both ends of a trunk link

B. It is VLAN 1 by default

C. It is only available with 802.1q encapsulation

D. It is available with both ISL and 802.1q encapsulation

E. It is not associated with any VLAN by default

F. It is only available with ISL encapsulation

G. It must be configured as VLAN 1 if used

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

A router has two Fast Ethernet 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?

A. Use a hub to connect the four VLANS with a Fast Ethernet interface on the router.

B. Add a second router to handle the VLAN traffic.

C. Add two more Fast Ethernet interfaces.

D. Implement a router-on-a-stick configuration.

You have just upgraded your Cisco IOS image on your Cisco 2900 ISR from 12.4 to the following image:

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

You have also deleted the 12.4 IOS image from the ISR. However, when you issue the "show version" command, you notice that the 12.4 operating system is still in use.

How do you solve this issue?

A. Issue the command copy tftp flash

B. Issue the boot system command

C. Reboot the router

D. Copy the running configuration to the startup configuration

E. Issue the command copy flash tftp

What is the alternative notation for the IPv6 address B514:82C3:0000:0000:0029:EC7A:0000:EC72?

A. B514 : 82C3 : 0029 : EC7A : EC72

B. B514 : 82C3 :: 0029 : EC7A : EC72

C. B514 : 82C3 : 0029 :: EC7A : 0000 : EC72

D. B514 : 82C3 :: 0029 : EC7A : 0 : EC72

Which command enables RSTP on a switch?

A. spanning-tree uplinkfast

B. spanning-tree mode rapid-pvst

C. spanning-tree backbonefast

D. spanning-tree mode mst

What protocol is used to synchronize time between various Cisco IOS devices in your network?

A. LACP

B. NTP

C. DTP

D. VTP

E. CDP

F. STP

G. PAgP

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.

Which state of the default STP configuration allows ports to listen for BPDUs but not send any?

A. Listening

B. Learning

C. Blocking

D. Forwarding

Refer to the exhibit. Which subnet mask will place all hosts on Network B in the same subnet with the least amount of wasted addresses?

A. 255.255.255.0

B. 255.255.254.0

C. 255.255.252.0

D. 255.255.248.0

You are working in a data center environment and are assigned the address range 10.188.31.0/23. You are asked to develop an IP addressing plan to allow the maximum number of subnets with as many as 30 hosts each. Which IP address range meets these requirements?

A. 10.188.31.0/26

B. 10.188.31.0/25

C. 10.188.31.0/28

D. 10.188.31.0/27

E. 10.188.31.0/29

You are configuring your edge routers interface with a public IP address for Internet connectivity. The router needs to obtain the IP address from the service provider dynamically. Which command is needed on interface FastEthernet 0/0 to accomplish this?

A. ip default-gateway

B. ip route

C. ip default-network

D. ip address dhcp

E. ip address dynamic

What is the definition of an autonomous system?

A. OSPF and RIP working together

B. EGP running

C. Networks under a single technical administration

D. Interior gateway connection

Which of the following switch port modes will successfully form a trunk between two switches? (Choose four)

A. Dynamic desirable – dynamic auto

B. Trunk – dynamic desirable

C. Access – dynamic auto

D. Trunk - trunk

E. Dynamic auto – dynamic auto

F. Trunk – access

G. Trunk – dynamic auto

Which Cisco IOS command is used to install a permanent license on a router?

A. copy run star

B. write mem

C. license boot module

D. license save

E. license install

Which command is used to determine the licenses that are activated on your ISR?

A. show license

B. show running-config license

C. show version

D. show running-config

E. show platform

F. show udi license

Which microcode is used to test the basic functionality of router hardware and determine which components are present?

A. bootstrap

B. ROM monitor

C. ROM

D. POST

E. RAM

F. NVRAM

You are configuring HSRP for VLAN 10. You want its primary default gateway to be R1 and secondary default gateway be R2.
What should you consider when configuring HSRP for R1? (Choose two)

A. Ensure that you use the same group number for all your configuration commands

B. Ensure that pre-emption is disabled

C. To ensure R1 always has priority, use the IP address of the physical interface of R1 for the virtual IP address

D. Ensure that you specify R2 has a lower priority than R1

Which layer in the OSI reference model is responsible for determining the availability of the receiving program and checking to see if enough resources exist for that communication?

A. transport

B. network

C. presentation

D. application

E. session

Which of the following options are true about IPv6 addresses? (Choose three)

A. Contain 8 fields of 4 hexadecimal values each

B. Are 32 bits in length

C. Are displayed in decimal characters

D. Are 128 bits in length

E. Are displayed in hexadecimal characters

Cisco test CCNA 200-125

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