多項選擇題A brand new network application is required for the Acme Company, and they are considering the use of a connectionless service. What are the characteristics of a connectionless service?()

A. It uses a Reliable transport mechanism.
B. It uses a Non-reliable transport mechanism
C. It is less bandwidth-intensive than connection oriented services
D. it uses handshaking


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3.單項選擇題A standard IP access list is applied to an Ethernet interface of a router. What does this standard access list filter on?()

A. The source and destination addresses
B. The destination port number
C. The destination address
D. The source address
E. All of the above

4.單項選擇題Which IP address and wildcard mask would you use in your ACL to block all the hosts in the subnet 192.168.16.43/28?()

A. 192.168.16.32 0.0.0.16
B. 192.168.16.43 0.0.0.212
C. 192.168.16.0 0.0.0.15
D. 192.168.16.32 0.0.0.15
E. 192.168.16.0 0.0.0.31
F. 192.168.16.16 0.0.0.31

5.單項選擇題Which of the following access list statements would deny traffic from a specifichost?()

A. Router(config)# access-list 1 deny 172.31.212.74 any
B. Router(config)# access-list 1 deny 10.6.111.48 host
C. Router(config)# access-list 1 deny 172.16.4.13 0.0.0.0
D. Router(config)# access-list 1 deny 192.168.14.132 255.255.255.0
E. Router(config)# access-list 1 deny 192.168.166.127 255.255.255.255