行走沱江边，湘西凤凰古城正______在秋风秋色里。一个外乡人的眼中古城是陌生的，沱江是另类的，这种

er R1 (RID 1.1.1.1). Which answer can be verified as definitely true based on this output？（）LS Type: Summary Links (AS Boundary Router)Link State ID: 9.9.9.9 (AS Boundary Router address)Advertising Router: 3.3.3.3LS Seq Number: 8000000DChecksum: 0xE43ALength: 28Network Mask: /0TOS: 0 Metric: 100

A. The output describes the contents of a Type 5 LSA

B. 3.3.3.3 identifies a ro uter as being the router performing redistribution

C. R1‘s metric for its best route to reach the router with RID 9.9.9.9 is 100

D. The router with RID 3.3.3.3‘s metric for its best route to reach the router with RID 9.9.9.9 is 100

enter subnets.Which one of the following commands is most likely to show you all the possible next - hop IP addresses for these four possible routes？（）

A. show ip eigrp topology

B. show ip eigrp topology all - links

C. show ip route eigrp

D. show ip route eigrp all - links

E. show ip eigrp topology all - learned

A. show interface list

B. show ip route

C. show ip interface

D. show ip interface brief

E. show interface

ENT1 has an eBGP connection to an ISP router with address 3.3.3.3 and an iBGP connection to a router with address 4.4.4.4. Which of the following is most likely to be true？（）Network Next Hop Metric LocPrf Weight Path*> 3.3.3.3 0 0 1 1 1 1 218 i

A. The Enterprise likely uses ASN 1.

B. The neighboring ISP likely uses ASN 1.

C. The route has been advertised through ASN 1 multiple times.

D. Router Ent1 will add another ASN to the AS_Path before advertising this route to its iBGP peer (4.4.4.4).

sh to see the layer 1 and layer 2 status of the interface.Which of the following IOS commands would you issue to check the current IP addressing, as well as theyer 1 and layer 2 status of an interface？（）

A. TK1# show version

B. TK1# show protocols

C. TK1# show interfaces

D. TK1# show controllers

E. TK1# show ip interface

F. TK1# show startup-config

A. show ip ospf database

B. show ip ospf interface brief

C. show ip protocols

D. show ip route ospf

E. show ip ospf neighbors

作文：Writing：Read carefully the following excerpt and then write your response in NO LESS THAN 200 WORDS, in which you should:

1)summarize the main message of the excerpt,and then

2)Comment on whether our brains will get lazy in a world run by intelligent machines

You can support yourself with information from the excerpt.

Marks will be awarded for content relevance,content sufficiency,organization and language quality. Failure to follow the above instructions may result in a loss of marks.

Write your response on ANSWER SHEET THREE.

er on metallurgy(Task 4.1 on P. 042 in the textbook) and answer the following question. The present tense is preferred in describing the use of materials in the experiment.

placement of Taxi TVs？

A．Excerpt 1 and Excerpt 5

B．Excerpt 3 and Excerpt 4

C．Excerpt 2 and Excerpt 6

D．Excerpt 3 and Excerpt 5

A、To show cash flow from operations.

B、To show cash flow from financing activities.

C、To show cash flow from investing activities.

D、To show operating expenses for a period of time.