Cisco 200-120 Online Practice Questions and Exam Preparation

Cisco 200-120 Online Questions & Answers

• Question 311:

  DRAG DROP

  Drag each definition on the left to the matching term on the right.

  Select and Place:

  

  

• Question 312:

  Scenario Refer to the topology. Your company has decided to connect the main office with three other remote branch offices using point-to-point serial links. You are required to troubleshoot and resolve OSPF neighbor adjacency issues between the main office and the routers located in the remote branch offices.

  

  

  

  An OSPF neighbor adjacency is not formed between R3 in the main office and R6 in the Branch3 office. What is causing the problem?

  A. There is an area ID mismatch.
  B. There is a PPP authentication issue; the username is not configured on R3 and R6.
  C. There is an OSPF hello and dead interval mismatch.
  D. The R3 router ID is configured on R6.
  D. The R3 router ID is configured on R6.

  ---

  Using the show running-config command we see that R6 has been incorrectly configured with the same router ID as R3 under the router OSPF process.

  

• Question 313:

  If IP routing is enabled, which two commands set the gateway of last resort to the default gateway? (Choose two.)

  A. ip default-gateway 0.0.0.0
  B. ip route 172.16.2.1 0.0.0.0 0.0.0.0
  C. ip default-network 0.0.0.0
  D. ip default-route 0.0.0.0 0.0.0.0 172.16.2.1
  E. ip route 0.0.0.0 0.0.0.0 172.16.2.1
  C. ip default-network 0.0.0.0
  E. ip route 0.0.0.0 0.0.0.0 172.16.2.1

  ---

  Both the "ip default-network" and "ip route 0.0.0.0 0.0.0.0 (next hop)" commands can be used to set the default gateway in a Cisco router.

• Question 314:

  Which command can you enter to view the ports that are assigned to VLAN 20?

  A. Switch#show vlan id 20
  B. Switch#show ip interface brief
  C. Switch#show interface vlan 20
  D. Switch#show ip interface vlan 20
  A. Switch#show vlan id 20

• Question 315:

  Which command sequence can you enter to create VLAN 20 and assign it to an interface on a switch?

  A. Switch(config)#vlan 20 Switch(config)#Interface gig x/y Switch(config-if)#switchport access vlan 20
  B. Switch(config)#Interface gig x/y Switch(config-if)#vlan 20 Switch(config-vlan)#switchport access vlan 20
  C. Switch(config)#vlan 20 Switch(config)#Interface vlan 20 Switch(config-if)#switchport trunk native vlan 20
  D. Switch(config)#vlan 20 Switch(config)#Interface vlan 20 Switch(config-if)#switchport access vlan 20
  E. Switch(config)#vlan 20 Switch(config)#Interface vlan 20 Switch(config-if)#switchport trunk allowed vlan 20
  A. Switch(config)#vlan 20 Switch(config)#Interface gig x/y Switch(config-if)#switchport access vlan 20

• Question 316:

  What are three benefits of implementing VLANs? (Choose three.)

  A. A higher level of network security can be reached by separating sensitive data traffic from other network traffic.
  B. A more efficient use of bandwidth can be achieved allowing many physical groups to use the same network infrastructure.
  C. A more efficient use of bandwidth can be achieved allowing many logical networks to use the same network infrastructure.
  D. Broadcast storms can be mitigated by increasing the number of broadcast domains, thus reducing their size.
  E. Broadcast storms can be mitigated by decreasing the number of broadcast domains, thus increasing their size.
  F. VLANs make it easier for IT staff to configure new logical groups, because the VLANs all belong to the same broadcast domain.
  G. Port-based VLANs increase switch-port use efficiency, thanks to 802.1Q trunks.
  A. A higher level of network security can be reached by separating sensitive data traffic from other network traffic.
  C. A more efficient use of bandwidth can be achieved allowing many logical networks to use the same network infrastructure.
  D. Broadcast storms can be mitigated by increasing the number of broadcast domains, thus reducing their size.

  ---

  Benefits of VLANs VLAN is a network structure which allows users to communicate while in different locations by sharing one multicast domain and a single broadcast. They provide numerous networking benefits and have become popular in the market. For instance, it helps reduce administrative costs when users are geographically dispersed.

  1.

  Inexpensive

  The popularity of VLANs is due to the fact that changes, adds, and moves can be attained simply by making necessary configurations on the VLAN port. Time-consuming, re-addressing, and host reconfigurations is now a thing of the past,

  because network configuration can be made at ease when need arises.

  2.

  Better management

  A VLAN typically solve the scalability issues that exist in a large network by breaking the main domain into several VLAN groups or smaller broadcast configurations, thereby encourage better control of multicast traffic as well as broadcast

  domains.

  3.

  Improves network security

  High-security can be positioned in different VLAN groups to ensure that non-members cannot receive their broadcasts. On the other hand, a router is added and workgroups relocated into centralized locations.

  4.

  Enhances performance

  A more efficient use of bandwidth can be achieved allowing many logical networks to use the same network infrastructure.

  5.

  Segment multiple networks

  VLANs are typically used to achieve multiple purposes. They are popularly used to reduce broadcast traffic. Each VLAN creates a separate, smaller broadcast domain.

  6.

  Better administration

  VLANs facilitate grouping of multiple geographical stations. When VLAN users move to another physical location, the network does not have to be configured.

• Question 317:

  What are two requirements for an HSRP group? (Choose two.)

  A. exactly one active router
  B. one or more standby routers
  C. one or more backup virtual routers
  D. exactly one standby active router
  E. exactly one backup virtual router
  A. exactly one active router
  B. one or more standby routers

• Question 318:

  When a router undergoes the exchange protocol within OSPF, in what order does it pass through each state?

  A. exstart state > loading state > exchange state > full state
  B. exstart state > exchange state > loading state > full state
  C. exstart state > full state > loading state > exchange state
  D. loading state > exchange state > full state > exstart state
  B. exstart state > exchange state > loading state > full state

  ---

  When OSPF adjacency is formed, a router goes through several state changes before it becomes fully adjacent with its neighbor. Those states are defined in the OSPF RFC 2328, section 10.1. The states are (in order) Down, Attempt, Init, 2Way, Exstart, Exchange, Loading, and Full.

  Reference: http://www.cisco.com/c/en/us/support/docs/ip/open-shortest-path-first-ospf/13685-13.html

• Question 319:

  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.)

  A. Router(config)# interface fastethernet 0/0 Router(config-if)# ip address 192.168.1.1 255.255.255.0 Router(config-if)# no shut down
  B. Router(config)# interface fastethernet 0/0 Router(config-if)# no shut down Router(config)# interface fastethernet 0/0.1 Router(config-subif)# encapsulation dot1q 10 Router(config-subif)# ip address 192.168.10.1 255.255.255.0 Router(config)# interface fastethernet 0/0.2 Router(config-subif)# encapsulation dot1q 20 Router(config-subif)# ip address 192.168.20.1 255.255.255.0
  C. Router(config)# router eigrp 100 Router(config-router)# network 192.168.10.0 Router(config-router)# network 192.168.20.0
  D. Switch1(config)# vlan database Switch1(config-vlan)# vtp domain XYZ Switch1(config-vlan)# vtp server
  E. Switch1(config)# interface fastethernet 0/1 Switch1(config-if)# switchport mode trunk
  F. Switch1(config)# interface vlan 1 Switch1(config-if)# ip default-gateway 192.168.1.1
  B. Router(config)# interface fastethernet 0/0 Router(config-if)# no shut down Router(config)# interface fastethernet 0/0.1 Router(config-subif)# encapsulation dot1q 10 Router(config-subif)# ip address 192.168.10.1 255.255.255.0 Router(config)# interface fastethernet 0/0.2 Router(config-subif)# encapsulation dot1q 20 Router(config-subif)# ip address 192.168.20.1 255.255.255.0
  E. Switch1(config)# interface fastethernet 0/1 Switch1(config-if)# switchport mode trunk

  ---

  The router will need to use subinterfaces, where each subinterface is assigned a VLAN and IP address for each VLAN. On the switch, the connection to the router need to be configured as a trunk using the switchport mode trunk command and it will need a default gateway for VLAN 1.

• Question 320:

  Refer to the exhibit.

  

  What is the effect of the given configuration?

  A. It configures an inactive switch virtual interface.
  B. It configures an active management interface.
  C. It configures the native VLAN.
  D. It configures the default VLAN.
  A. It configures an inactive switch virtual interface.