多項(xiàng)選擇題Which two are advantages of static routing when compared to dynamic routing?()

A.Security increases because only the network administrator may change the routing tables.
B.Configuration complexity decreases as network size increases.
C.Routing updates are automatically sent to neighbors.
D.Route summarization iscompued automatically by the router.
E.Routing traffic load is reduced when used in stub network links
F.An efficient algorithm is used to build routing tables,using automatic updates.
G. Routing tables adapt automatically to topology changes.


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1.多項(xiàng)選擇題下列算法中哪些是對(duì)稱密鑰算法()

A.DES
B.3DES
C.AES
D.SEAL

2.單項(xiàng)選擇題Which item represents the standard IP ACL?()

A.access-list 50 deny 192.168.1.1 0.0.0.255
B.access-list 110 permit ip any any
C.access-list 2500 deny tcp any host 192.168.1.1 eq 22
D.access-list 101 deny tcp any host 192.168.1.1

3.多項(xiàng)選擇題密鑰管理需要考慮()的基本特性

A.生成
B.驗(yàn)證
C.存儲(chǔ)
D.撤銷和銷毀

4.單項(xiàng)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 a broadcast 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.

5.單項(xiàng)選擇題Which IPv6 address is valid?()

A.2031:0:130F::9C0:876A:130B
B.2001:0DB8:0000:130F:0000:0000:08G
C.140BC.2001:0DB8:0:130H::87C:140B
D.2031::130F::9C0:876A:130B

6.多項(xiàng)選擇題下列哪些是散列函數(shù)()

A.MD5
B.RSA
C.HMAC
D.SHA-1

7.單項(xiàng)選擇題Which statement about access lists that are applied to an interface is true?()

A.you can apply multiple access lists with the same protocol or in different…
B.you can config one access list,per direction,per layer 3 protocol
C.you can place as many access lists as you want on any interface
D.you can apply ony one access list on any interface

8.多項(xiàng)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 routers with distribution layer switches
E.to decrease latency by increasing bandwidth
F.to reduce routing overhead

9.單項(xiàng)選擇題

Refer to the exhibit.What is the result of setting the no login command?()

A.The is a virtually limitless supply of IP addresses
B.Telnet access requires a new password at first login
C.Telnet access requires a password
D.Telnet access is denied

10.多項(xiàng)選擇題保護(hù)通信安全包括()主要任務(wù)

A.認(rèn)證
B.完整性
C.確認(rèn)機(jī)制
D.機(jī)密性

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