單項(xiàng)選擇題

Refer to the exhibit. The user at Workstation B reports that Server A cannot be reacheD.What ispreventing Workstation B from reaching Server A?()

 

A.The IP address for Server A is a broadcast address.
B.The IP address for Workstation B is a subnet address.
C.The gateway for Workstation B is not on the same subnet.
D.The gateway for Server A is not on the same subnet.


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1.多項(xiàng)選擇題下面對(duì)我國(guó)廣泛使用的DDN網(wǎng)絡(luò)描述正確的是什么?()

A.DDN線(xiàn)路使用簡(jiǎn)便,覆蓋面廣
B.DDN專(zhuān)線(xiàn)是點(diǎn)到點(diǎn)的鏈路,它給予用戶(hù)訪(fǎng)問(wèn)整個(gè)鏈路帶寬的可能性
C.DDN相對(duì)于分組交換網(wǎng)絡(luò)來(lái)說(shuō),線(xiàn)路費(fèi)用較高
D.DDN專(zhuān)線(xiàn)被廣泛用于企業(yè)網(wǎng)互連,專(zhuān)線(xiàn)internet接入

2.多項(xiàng)選擇題下列所描述的協(xié)議哪些屬于OSI參考模型表示層協(xié)議()。

A.ASCII、EBCDIC
B.IP、ARP
C.MAC、LLC
D.MPEG、MIDI
E.NFS、SQL
F.PICT、MPEG

3.多項(xiàng)選擇題對(duì)全雙工以太網(wǎng)的描述正確的是()。

A.可以在共享式以太網(wǎng)中實(shí)現(xiàn)全雙工技術(shù)
B.可以在一對(duì)雙絞線(xiàn)上同時(shí)接收和發(fā)送以太網(wǎng)幀
C.僅可以用于點(diǎn)對(duì)點(diǎn)連接
D.可用于點(diǎn)對(duì)點(diǎn)和點(diǎn)對(duì)多點(diǎn)連接

4.多項(xiàng)選擇題以太網(wǎng)使用的物理介質(zhì)主要有()。

A.同軸電纜
B.雙絞線(xiàn)
C.電纜
D.V24電纜

5.多項(xiàng)選擇題

The network shown in the diagram is experiencing connectivity problems. Which of the following will correct the problems (Choose two.)()。

A.Configure the gateway on Host A as 10.1.1.1
B.Configure the gateway on Host B as 10.1.2.254
C.Configure the IP address of Host A as 10.1.2.2
D.Configure the IP address of Host B as 10.1.2.2
E.Configure the masks on both hosts to be 255.255.255.224
F.Configure the masks on both hosts to be 255.255.255.240

7.單項(xiàng)選擇題In which solution is a router ACL used?()

A.protecting a server frome unauthorized acces
B.controlling path selection,based on the route metric
C.reducing router CPU utilization
D.filterring packets that are passing through a router

8.單項(xiàng)選擇題

Refer to the exhibit. Which value will be configured for Default Gateway of the Local Area Connection?()

 

A.10.0.0.0
B.10.0.0.254
C.192.223.129.0
D.192.223.129.254

9.單項(xiàng)選擇題

Refer to the exhibit. An administrator pings the default gateway at 10.10.10.1 and sees the output as shown. At which OSI layer is the problem?()

A.data link layer
B.application layer
C.access layer
D.session layer
E.network layer

10.多項(xiàng)選擇題某單位路由器防火墻作了如下配置:firewall enableacl 101rule permit ip source 202.38.0.00.0.0.255 destination 10.10.10.100.0.0.255rule deny tcp source 202.38.0.00.0.0.255 destination 10.10.10.100.0.0.255 destination-portgreater-than 1024rule deny ip source any destination any端口配置如下:interface Serial0ip address 202.38.111.25.255.255.255.0link-protocol pppfire wall packet-filter 101 ininterface Ethernet0Ip address 10.10.10.1255.255.255.0內(nèi)部局域網(wǎng)主機(jī)均為10.10.10.0255.255.255.0網(wǎng)段,以下說(shuō)法正確的是(本題假設(shè)其它網(wǎng)絡(luò)均沒(méi)有使用acl)()。

A.外部主機(jī)202.38.0.50可以PING通任何內(nèi)部主機(jī)
B.內(nèi)部主機(jī)10.10.10.5,可任意訪(fǎng)問(wèn)外部網(wǎng)絡(luò)資源
C.內(nèi)部任意主機(jī)都可以與外部任意主機(jī)建立TCP連接
D.外部202.38.5.0/24網(wǎng)段主機(jī)可以與此內(nèi)部網(wǎng)主機(jī)TCP連接
E.外部202.38.0.0/24網(wǎng)段主機(jī)不可以與此內(nèi)部同主機(jī)建立目標(biāo)端口號(hào)大于1024的TCP連接

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