IP题库(7)

attached to the new router do not appear in the routing tables of the other OSPF routers. Given the information in

the partial configuration shown below, what configuration error is causing this problem?

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A. The process id is configured improperly. B. The OSPF area is configured improperly.

C. The network wildcard mask is configured improperly. D. The network number is configured improperly. E. The AS is configured improperly.

F. The network subnet mask is configured improperly. Answer: C

24. ABC Company is merging with several local businesses that use routers from multiple vendors. Which routing

protocol would work best to connect ABC Company with the enterprise networks it has acquired by providing

scalability and VLSM support while minimizing network overhead? A. RIP v1 B. RIP v2 C. IGRP D. OSPF E. EIGRP Answer: D

25. What does the \A. the summarized address for all of the internal subnetted addresses

B. the MAC address of the router used by inside hosts to connect to the Internet C. a globally unique, private IP address assigned to a host on the inside network D. a registered address that represents an inside host to an outside network Answer: D

26. Which of the following are types of flow control? (Choose three.) A. buffering B. cut-through C. windowing

中国思科华为3COM网络技术站http://www.CiscoH3com.com TestInside 640-801 D. congestion avoidance E. load balancing Answer: ACD

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

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 Answer: CF

28. In the implementation of VLSM techniques on a network using a single Class C IP address, which subnet

mask is the most efficient for point-to-point serial links? A. 255.255.255.0 B. 255.255.255.240 C. 255.255.255.248 D. 255.255.255.252 E. 255.255.255.254 Answer: D

29. If all OSPF routers in a single area are configured with the same priority value, what value does a router use

for the OSPF router ID in the absence of a loopback interface? 中国思科华为3COM网络技术站http://www.CiscoH3com.com TestInside 640-801

A. the IP address of the first Fast Ethernet interface B. the IP address of the console management interface C. the highest IP address among its active interfaces D. the lowest IP address among its active interfaces

E. the priority value until a loopback interface is configured Answer: C

30. To configure the VLAN trunking protocol to communicate VLAN information between two switches, what

two requirements must be met? (Choose two.)

A. Each end of the trunk line must be set to IEEE 802.1E encapsulation.

B. The VTP management domain name of both switches must be set the same. C. All ports on both the switches must be set as access ports. D. One of the two switches must be configured as a VTP server. E. A rollover cable is required to connect the two switches together. F. A router must be used to forward VTP traffic between VLANs. Answer: BD

31. A static route to the 10.5.6.0/24 network is to be configured on the HFD router. The administrator wants HFD

to see this static route as the most reliable route . Which command should the administrator use?

A. HFD(config)# ip route 10.5.6.0 0.0.0.255 fa0/0 B. HFD(config)# ip route 10.5.6.0 0.0.0.255 10.5.4.6 C. HFD(config)# ip route 10.5.6.0 255.255.255.0 fa0/0 D. HFD(config)# ip route 10.5.6.0 255.255.255.0 10.5.4.6 E. HFD(config)# ip route 10.5.4.6 0.0.0.255 10.5.6.0 中国思科华为3COM网络技术站http://www.CiscoH3com.com

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F. HFD(config)# ip route 10.5.4.6 255.255.255.0 10.5.6.0 Answer: C

32. A default Frame Relay WAN is classified as what type of physical network? A. point-to-point

B. broadcast multi-access C. nonbroadcast multi-access D. nonbroadcast multipoint E. broadcast point-to-multipoint Answer: C

33. Which of the following commands will configure a default route to any destination network not found in the routing table?

A. Router(config)# ip default-route 0.0.0.0 255.255.255.255 s0 B. Router(config)# ip route 0.0.0.0 255.255.255.255 s0 C. Router(config)# ip default-route 0.0.0.0 s0 D. Router(config)# ip route 0.0.0.0 0.0.0.0 s0 E. Router(config)# ip route any any e0 Answer: D

34. When a new trunk link is configured on an IOS based switch, which VLANs are allowed over the link?

A. By default, all defined VLANs are allowed on the trunk.

B. Each single VLAN, or VLAN range, must be specified with the switchport mode command.

C. Each single VLAN, or VLAN range, must be specified with the vtp domain command.

D. Each single VLAN, or VLAN range, must be specified with the vlan database command. Answer: A

35. Network users are complaining that they cannot access resources on the LAN attached to interface e0 of the

Production router. Which of the following commands will display current IP addressing and the Layer 1 and Layer 2 status of this interface? (Choose three.) A. Production# show version

中国思科华为3COM网络技术站http://www.CiscoH3com.com TestInside 640-801

B. Production# show protocols C. Production# show interfaces D. Production# show controllers E. Production# show ip interface F. Production# show startup-config Answer: BCE

36. A network administrator needs to configure a router for a Frame Relay

connection to a non-Cisco router.

Which of the following commands will prepare the WAN interface for this connection?

A. Router(config-if)# encapsulation frame-relay q933a B. Router(config-if)# encapsulation frame-relay ansi C. Router(config-if)# encapsulation frame-relay ietf D. Router(config-if)# encapsulation frame-relay isl Answer: C

37. Refer to the output of the corporate router routing table shown in the graphic. The corporate router receives an

IP packet with a source IP address of 192.168.214.20 and a destination address of 192.168.22.3. What will the router do with this packet?

A. It will encapsulate the packet as Frame Relay and forward it out interface Serial 0/0.117.

B. It will discard the packet and send an ICMP Destination Unreachable message out interface FastEthernet 0/0.

C. It will forward the packet out interface Serial 0/1 and send an ICMP Echo Reply message out interface serial 0/0.102.

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D. It will change the IP packet to an ARP frame and forward it out FastEthernet 0/0. Answer: B

38. Which of the following protocols uses both TCP and UDP ports? A. FTP B. SMTP C. Telnet D. DNS Answer: D

39. Which statement describes a spanning-tree network that has converged? A. All switch and bridge ports are in the forwarding state.

B. All switch and bridge ports are assigned as either root or designated ports. C. All switch and bridge ports are in either the forwarding or blocking state. D. All switch and bridge ports are either blocking or looping. Answer: C

40. Refer to the graphic. How many collision domains are shown? A. one B. two C. three D. four E. six F. fourteen Answer: B

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41. What is the default administrative distance of the OSPF routing protocol? A. 90 B. 100 C. 110 D. 120 E. 130 F. 170 Answer: C

42. Which routing protocols can be used within the enterprise network shown in the diagram? (Choose three.) A. RIP v1 B. RIP v2 C. IGRP D. OSPF E. BGP F. EIGRP Answer: BDF

43. Which statements are true about EIGRP successor routes? (Choose two.) A. A successor route is used by EIGRP to forward traffic to a destination.

B. Successor routes are saved in the topology table to be used if the primary route fails.

C. Successor routes are flagged as \D. A successor route may be backed up by a feasible successor route.

E. Successor routes are stored in the neighbor table following the discovery process.

中国思科华为3COM网络技术站http://www.CiscoH3com.com TestInside 640-801 Answer: AD

44. The company internetwork is subnetted using 29 bits. Which wildcard mask should be used to configure an

extended access list to permit or deny access to an entire subnetwork? A. 255.255.255.224 B. 255.255.255.248 C. 0.0.0.224 D. 0.0.0.8 E. 0.0.0.7 F. 0.0.0.3 Answer: E

45. An internetwork has been configured as shown in the diagram, with both routers using EIGRP routing for AS

44. Users on the Branch router are unable to reach any of the subnets on the HQ router. Which of the following

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