搜题

【单选题】

Which one of the WAN data-link protocols below is used for out-of-band signaling?（）

A、HDLC

B、NCP

C、PAP

D、LAPD

E、LAPB

F、None of the above

查看正确答案

更多“Which one of the WAN data-link protocols below is used for out-of-band signaling?（）”相关的问题

第1题

[单选题] A company has a Frame Relay WAN with one central - site router and 100 branch office routers. A partial mesh of PVCs exists: one PVC between the central site and each of the 100 branch routers. Which of the following could be true about the number of EIGRP neighbor ships?（）

A、A partial mesh totaling 100: one between the central - site router and each of the 100 branches. B、A full mesh - (101 * 100) / 2 = 5050 - One neighborship between each pair of routers. C、101 - One between each router (including the central site) a nd its nearby PE router. D、None of the answers is correct.

点击查看答案

第2题

[] A company has a Frame Relay WAN with one central - site router and 100 branch office routers. A partial mesh of PVCs exists: one PVC between the central site and each of t he 100 branch routers. All routers use point - to - point subinterfaces and one subnet per PVC. Which of the following is true about OSPF in this design?（） A company has a Frame Relay WAN with one central - site router and 100 branch office routers. A partial mesh of PVCs exists: one PVC between the central site and each of t he 100 branch routers. All routers use point - to - point subinterfaces and one subnet per PVC. Which of the following is true about OSPF in this design?（）

A、A. The central site router has 100 fully adjacent neighborships with the 100 branches B、B. The central site router has neighborships with all branch routers, but fully adjacent neighbors with only two branches C、C. The central site router has a neighborship with the Frame Relay switcH D、D. None of the other answers is correct

点击查看答案

第3题

[单选题] Line throwing apparatus aboard ship must contain（）.

A、two rockets，one of which shall be the buoyant type B、three rockets，one of which shall be the buoyant type C、four rockets，two of which shall be the buoyant type D、five rockets，two of which shall be the buoyant type

点击查看答案

第4题

[] The ways in which words follow one another and are related to one another is called the syntagmatic dimension of language, the dimension of “chaining” or “sequencing”.（）

点击查看答案

第5题

[单选题] The microsecond unit of time is used in radar applications. The microsecond represents which of the following?（）.

A、one-millionth part of a second B、one-thousandth part of a second C、one-hundredth part of a second D、one-tenth part of a second

点击查看答案

第6题

[单选题] Which of the following is the purpose of QoS?（）

A、Load balance traffic across multiple LAN and WAN links. B、Increase speed of network traffic. C、Classify, mark, and prioritize traffic on WAN and LAN links D、Guarantee traffic delivery.

点击查看答案

第7题

[单选题] The Testking Corporation consists of the head office in New York with its regional offices in: Chicago, Detroit, Philadelphia, Toronto, and Atlanta. These offices need to be connected in a WAN, and Testking wishes to do this via a hub and spoke arrangement that will utilize packet-switched technology.Which one of the WAN technologies below would be the best choice for Testking?（）

A、ISDN B、Wireless C、Frame Relay D、T1 leased line E、ATM F、VPN

点击查看答案

第8题

[单选题] If two sailing vessels are running free with the wind on the same side, which one must keep clear of the other?（）.

A、The one with the wind closest abeam B、The one to windward C、The one to leeward D、The one that sounds the first whistle signal

点击查看答案

第9题

[单选题] On the topic of VLSM, which one of the following statements best describes the concept of the route aggregation?（）

A、Deleting unusable addresses through the creation of many subnets. B、Combining routes to multiple networks into one supernet. C、Reclaiming unused space by means of changing the subnet size. D、Calculating the available host addresses in the AS.

点击查看答案

账号：登录

答题记录

我的收藏

我的题库

客服

TOP

请使用微信扫码支付

订单号：
遇到问题请联系在线客服