广州CCNA640-802(1-255)

1.Refer to the exhibit. the network administrator requires easy configuration options and minimal routing protocol traffic. what two options provide adequate routing table information for traffic that passes between the router and satisfy the requests of the network administrator?(choose two)

A- a dynamic routing protocol on internetRouter to advertise all routes to CentralRouter.

B- a dynamic routing protocol on internetRouter to advertise summarized routes to CentralRouter. C- a static route on internetRouter to direct traffic that is destined for 172.16.0.0/16 to CentralRouter. D- a dynamic routing protocol on CentralRouter to advertise all routes to internetRouter.

E- a dynamic routing protocol on CentralRouter to advertise summarized routes to internetuter. F- a static. default route on CentralRouter that directs traffic to internetRouter.

correct: C,F

2.The Frame Relay network in the diagram is not functioning properly. What is the cause of the problem?

A- The Gallant router has the wrong LMI type configured.

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B- C- D- E-

Inverse ARP is providing the wrong PVC information to the Gallant router.

The S3 interface of the Steele router has been configured with the frame-relay encapsulation ietf command. The frame-relay map statement in the Attalla router for the PVC to Steele is not correct. The IP address on the serial interface of the Attalla router is configured incorrectly.

correct: D

3.At which layer of the OSI model do WANs operate?(Choose two)

A- Application layer B- Session layer C- transport layer D- network layer E- datalink layer F- physical layer

correct:E,F

4.Refer to the exhibit. The partial frame shown in the exhibit displays select header information as it arrives at the destination host. Which graphic represents the correct header information in the responding frame returned to the remote host?

Correct Text(s): D

5.The Ethernet network connected to router R1 in the graphic have been summarized for router R2 as 192.1.144.0/20. which of the following packet destination addresses will R2 forward to R1,according to this summary?(choose two.)

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A-192.1.159.2 B-192.1.160.11 C-192.1.138.41 D-192.1.151.254 E-192.1.143.145 F-192.1.1.144

Correct: A,D

6.Refer to the exhibit. The show vtp status command is executed at a switch that is generating the exhibited output. Which statement is true for this switch?

A- B- C- D-

The switch forwards its VLAN database to other switches in the ICND VTP domain. The configuration revision number increments each time the VLAN database is updated. The switch forwards VTP updates that are sent by other switches in the ICND domain. The VLAN database is updated when VTP information is received from other switches.

Correct: C

7.what is maximum date rete specicfied for IEEE 802.11b WLANs? A- 10 Mbps B- 11Mbps C-54 Mbps D-100 Mbps

Correct: B

8.Refer to the exhibit. Subent 10.1.3.0/24 unknown to router RTB. Which router command will prevent router RTB from dropping a packet destined for the 10.1.3.0/24 network if a default route is configured?

A- ip classless

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