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Cisco Certified Network Associate(CCNA) Sample Questions:

1. What are three benefits of implementing vlans?(choose three)

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

2. For what two purposes does the Ethernet protocol use physical addresses? (Choose two.)

A) to allow detection of a remote device when its physical address is unknown
B) to allow communication with devices on a different network
C) to establish a priority system to determine which device gets to transmit first
D) to allow communication between different devices on the same network
E) to uniquely identify devices at Layer 2
F) to differentiate a Layer 2 frame from a Layer 3 packet

3. Which command reveals the last method used to powercycle a router?

A) show version
B) show boot
C) show running-config
D) show reload

4. Refer to the exhibit. When running EIGRP, what is required for RouterA to exchange routing updates with RouterC?

A) Router B needs to have two network statements, one for each connected network
B) Loopback interfaces must be configured so a DR is elected
C) As numbers must be changed to match on all the routers
D) The no auto-summary command is needed on Router A and Router C

5. 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 serial 0 R1(config-if)# ip address 192.1.1.6 255.255.255.252 R1(config-if)# no shutdown
B) R1(config)# router rip R1(config-router)# version 2 R1(config-router)# network 192.1.1.0
C) R1(config)# interface ethernet 0 R1(config-if)# ip address 192.1.1.97 255.255.255.192 R1(config-if)# no shutdown
D) R1(config)# interface serial 0 R1(config-if)# ip address 192.1.1.4 255.255.255.252 R1(config-if)# clock rate 56000
E) R1(config)# router rip R1(config-router)# network 192.1.1.4 R1(config-router)# network 192.1.1.128
F) R1(config)# interface ethernet 0 R1(config-if)# ip address 192.1.1.129 255.255.255.192 R1(config-if)# no shutdown

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