多項選擇題以下兩個選項是工作在OSI模型的應用層的?()

A.ping
B.Telnet
C.FTP
D.TCP
E.IP


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1.單項選擇題A router has two FastEthernet interfaces and needs to connect to four vlans in the local network.How can you accomplish this task,using the fewest physical interfaces and without decreasing networkper formance?()

A.Add two more FastEthernet interfaces.
B.Add a second router to handle the vlan traffic.
C.Use a hub to connect the four vlans with a FastEthernet interface on router.
D.Implement a router-on-a-stick configuration.

2.單項選擇題哪種類型的攻擊的特點是發(fā)大量的TCP請求連接數據包到服務器?()

A.拒絕服務
B.強制疊加
C.監(jiān)聽
D.木馬

3.單項選擇題A network administrator receives an error message while tring to configure the Ethernet interface of a router with IP address 10.24.24.24/29. which statement explains the reason for this issue?()

A.The address is abroadcast address.
B.The Ehernet interface is faulty.
C.VLSM-capable routing protocols must be enable first on the router.
D.This address is a network address.

4.多項選擇題Why do large OSPF networks use a hierarchical design?()

A.to confine network instability to single areas of the network
B.to reduce the complexity of router configuration
C.to speed up convergence
D.to lower costs by replacing router swith distribution layer switches
E.to decrease latency by increasing bandwidth
F.to reduce routing overhead

5.多項選擇題

根據下圖,WLANdiagram決定了哪兩個事實?()

A.兩個cells的overlap的區(qū)域描述了一個basic service set
B.網絡描述了一個extended service set
C.再每個CELL中的AP必須被配置成使用channel 1
D.為了確保連通性,重疊區(qū)域必須小于10%
E.兩個訪問點應該被配置成工作在不同的頻道

6.單項選擇題Which statement is true,as relates to classful or classless routing?()

A.RIPV1 and OSPF are classless routing protocols.
B.Classful routing protocols send the subnet mask in routing updates.
C.Automatic summarization at classful boundaries can cause problems on disc……
D.EIGRP and OSPF are classful routing protocols and summarize routes by def……

8.單項選擇題What value is primarily used to determine which port becomes the root port on each nonroot switch in a spanning-tree topology?()

A.lowest port MAC address
B.port priority number and MAC address
C.VTP revision number
D.highest port priority number
E.path cost

9.單項選擇題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

10.單項選擇題Assuming default setting,how can you erase the VTP data base of VLANs on a CISCO IOS switch running in VTP server mode?()

A.Enable VTP pruning
B.From privileged mode,erase the startup configuration file,then reload.
C.From privileged mode,erase the vlandate file,then reload.
D.Cycle the switch power.

最新試題

下列哪些是私有IP 地址的地址范圍?()

題型:多項選擇題

請參見圖示。主機A 嘗試與主機C 建立TCP/IP 會話。在嘗試期間,路由器Y 的FastEthernet 接口fa0/1捕獲到一個幀。捕獲的幀中包含源IP 地址為172.16.1.5而目的IP 地址為172.16.7.24的數據包。捕獲該幀時,它的源MAC 地址是什么?()

題型:單項選擇題

請參見圖示。網絡中的所有設備均使用默認配置。此拓撲中存在多少個廣播域?()

題型:單項選擇題

路由器使用哪一項信息來確定源主機和目的主機之間的路徑?()

題型:單項選擇題

OSI 哪一層可提供有序的數據重構服務?()

題型:單項選擇題

請參見圖示。一臺主機正使用NAT 連接到Internet。下列哪三項IP 地址可實現此連接?()

題型:多項選擇題

請參見圖示。網絡中的所有設備均使用默認配置。此拓撲中需要多少個邏輯地址范圍?()

題型:單項選擇題

在路由器上使用Router#copy running-config startup-config 命令會產生什么效果?()

題型:單項選擇題

請參見圖示。主機A 正在訪問多臺服務器。結合使用什么端口號和地址即可唯一識別特定服務器上運行的特定進程?()

題型:單項選擇題

請參見圖示。某用戶想要查看當前的配置。圖中所示為ipconfig/all 命令的輸出。從此輸出可以得到哪三項結論?()

題型:多項選擇題