最新的Cisco 640-875免費考試真題

問題1

Refer to the exhibit.

What does the router do?

A. If 172.16.1.3 is reachable, the router sends all of the HTTP traffic to that IP address. Otherwise, the router sends the traffic based on the routing table

B. If 172.16.1.3 is reachable, the router sends the traffic based on the routing table. Otherwise, the traffic is dropped

C. If 172.16.1.3 is reachable, the router blocks all of the HTTP traffic to that IP address. Otherwise, the router sends the traffic based on the routing table

D. If 172.16.1.3 is reachable, the router sends all of the HTTP traffic to that IP address. Otherwise, the traffic is dropped

正確答案: A

問題2

Refer to the exhibit.

All physical interfaces are up. What change must you make to ensure that Multilink PPP functions?

A. Configure no shutdown inside the multilink interface.

B. Configure encapsulation ppp for the serial interfaces on both routers.

C. Configure ppp multilink group 1 for serial 1/1 and serial 1/3.

D. Configure no ppp authentication chap for serial 1/3.

E. Add an IP address inside the multilink group.

正確答案: B

問題3

Which two binary IP addresses are class B addresses? (Choose two.)

A. 10110001 00000000 10110001 00000001

B. 11010011 00110101 11111110 11001100

C. 01111111 11111111 11111111 11111111

D. 00110101 00001111 11110000 00001110

E. 10000001 11110011 11100011 10101010

正確答案: A,E

問題4

You want to successfully authenticate to a neighboring router that has authentication type 2 configured for OSPF Area 0. Which two commands should you use? (Choose two.)

A. Inside interface mode, configure ip ospf authentication-key.

B. Inside OSPF mode, configure area 2 authentication.

C. Inside interface mode, configure ip ospf message-digest-key 1 md5.

D. Inside OSPF mode, configure area 0 authentication.

E. Inside OSPF mode, configure area 0 authentication message-digest.

正確答案: C,E

問題5

Refer to the exhibit.

Which routers are IOS-XR based (ASR9K) routers?

A. Routers d, e, f and g only

B. Routers e, f and g only

C. Routers d, f and g only

D. Routers d and e only

E. Routers f and g only

正確答案: C

問題6

A technician connects a Cisco ASR 9001 Router with a 40 Gigabit Ethernet modular port adapter to an older model Cisco switch through a transceiver. The older Cisco switch has interfaces that only support up to
100-Mb half-duplex. What should you tell the technician about this configuration?

A. On the older model Cisco switch, set the speed to "auto," so that the devices can communicate.

B. Set the transceiver to half/full duplex mode so that the devices can communicate.

C. The devices are unable to communicate.

D. On the Cisco ASR 9001 Router, set the duplex and the speed to "auto," so that the devices can communicate.

正確答案: C

問題7

Refer to the exhibit.

According to this show output, what are sticky MAC addresses?

A. Dynamically learned MAC addresses on the port that are stored in the MAC address table and also in the start-up configuration

B. Statically configured MAC addresses on the port that are stored in the MAC address table

C. Statically configured MAC addresses on the port that are stored in the start-up configuration

D. Dynamically learned MAC addresses on the port that are stored in the running configuration

正確答案: D

問題8

If you attempt to enable 802.1x for an EtherChannel port, what happens?

A. The 802.1x authentication is extended to all of the ports in the EtherChannel bundle

B. An error occurs, but 802.1x is enabled for the EtherChannel bundle

C. An error occurs, because 802.1x is not supported on EtherChannels

D. All of the ports are removed from the EtherChannel bundle

正確答案: C

問題9

Which two statements about classful or classless routing protocol operations are true? (Choose two.)

A. Classful routing protocols do not support discontiguous subnets.

B. Variable-length subnet masks are supported when using classful routing protocols.

C. Examples of classless routing protocols include RIPv1, EIGRP, OSPF, andIS-IS.

D. Classful routing protocols do not send subnet mask information with theirrouting updates.

正確答案: A,D

最新的Cisco Building Cisco Service Provider Next-Generation Networks Part 1 - 640-875免費考試真題

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