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One use of networks is to let several computers share（75)such as file systems, printers, a

One use of networks is to let several computers share(75)such as file systems, printers, and tape drives.

A．CPU

B．memory

C．resources

D．information

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更多“One use of networks is to let …”相关的问题

第1题

One use of networks is to let several computers（61)data such as file systems，printers，and

One use of networks is to let several computers(61)data such as file systems，printers，and tape drives．

A．copy

B．communicate

C．transfer

D．share

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第2题

●One use of networks is to let several computers share （71) such as file systems，printers，

●One use of networks is to let several computers share (71) such as file systems，printers，and tape drives.

(71) A．CPU

B．memory

C．resources

D．data

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第3题

is used to ensure the confidentiality, integrity and authenticity of the two end poin

ts in the private network.(72), an application-layer protocol, authenticates each peer in an IPsec transaction. IKE negotiates security policy, determining which algorithm may be used to set up the tunnel. It also handles the exchange of session keys used for that one transaction.Networks that use(73) to secure data traffic can automatically authenticate devices by using(74), which verify the identities of the two users who are sending information back and forth. IPsec can be ideal way to secure data in large networks that require(75) connections among many devices.

A．Certificate

B．Encryption

C．Tunnel

D．Presentation

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第4题

● One of the most widely used routing protocols in IP networks is the Routing Information

Protocol (RIP). RIP is the canonical example of a routing protocol built on the （71）algorithm. Routing protocols in internetworks differ slightly from the idealized graph model. In an internetwork, the goal of the routers to forward packets to various （72）.

Routers running RIP send their advertisement about cost every （73） seconds. A router also sends an update message whenever an update from another router causes it to change its routing table.

It is possible to use a range of different metrics or costs for the links in a routing protocol. RIP takes the simplest approach, with all link costs being equal （74）. Thus it always tries to find the minimum hop route. Valid distances are 1 through （75）.This also limits RIP to running on fairly small networks.

（71）

A. distance vector

B. link state

C. flooding

D. minimum spanning tree

（72）

A. computers

B. routers

C. switches

D. networks

（73）

A. 10

B. 30

C. 60

D. 180

（74）

A. 1

B. 15

C. 16

D. length of the link

（75）

A. 6

B. 10

C. 15

D. 16

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第5题

One of the most widely used routing protocols in IP networks is the Routing Information Pr

otocol(RIP)．RIP is the canonical example of a routing protocol built on the (71) algorithm．Routing protocols in internetworks differ slightly from the idealized graph model．In aninternetwork，the goal of the routers to forward packets to various (72) ．

Routers running RIP send their advertisement about cost every (73) seconds．A router also sends an update message whenever an update from another router causes it to change itsrouting table．

It is possible to use a range of different metrics or costs for the links in a routing protocol．RIP takes the simplest approach，with all link costs being equal (74) Thus it always tries tofind the minimum hop route．Valid distances are 1 through (75) ．This also limits RIP torunning on fairly small networks．

（71）

A．distance vector

B．link state

C．flooding

D．minimum spanning tree

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第6题

The Internet is a （) system of interconnected computer networks that use the standard Inte

The Internet is a () system of interconnected computer networks that use the standard Internet protocol suits(TCP/IP) to serve several billion users worldwide。

A．global B．regional C．local D．national

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第7题

Packet-switching wireless networks are preferable（71)when transmissions are（72)because of

Packet-switching wireless networks are preferable(71)when transmissions are(72)because of the way charges are(73)per packet. Circuit-switched networks are preferable for transferring large files or for other lengthy transmissions because customers are(74)for the(75)of time they use the network.

A．to

B．for

C．than

D．only

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第8题

Packet-switching wireless networks are preferable（66)when transmissions are（67)because of

Packet-switching wireless networks are preferable(66)when transmissions are(67)because of the way charges are(68)per packet. Circuit-switched networks are preferable for transferring large files or for other lengthy transmissions because customers are(69)for the(70)of time they use the network.

A．to

B．for

C．than

D．only

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第9题

To reduce their design complexity, most networks are organized as a stack of（72), each one

To reduce their design complexity, most networks are organized as a stack of(72), each one built upon the one below it.

A．blocks

B．modules

C．pieces

D．layers

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第10题

Astute service providers realize that the continued support of legacy X.25 and asynchronou

s network elements using separate operations networks is cost(71). For example, the maintenance of multiple networks can require additional staff. Often, this staff must be trained on multiple vendor technologies, sometimes requiring parallel groups specializing in each(72)Hence, additional maintenance procedures must be maintained and administrative records are(73). The duplication of transport facilities to carry(74)network traffic is an inefficient use of resources. And, not surprisingly, more technologies installed in a central office mean the necessity for more physical space, and an increase in power connections and power consumption. Migration of these(75)network elements to IP-based DCNs is a logical strategy.

A．prohibitive

B．feasible

C．connective

D．special

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