Cisco试题库:ccna真题(下)(3)

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11: which of the following protocols is connection-oriented
　　a. tcp

　　b. ip

　　c. ipx

　　d. frame relay
　　
　　12: you are using an application on your windows 2000 client machines that provides error correction. you need a protocol to provide fast transport. which protocol should your application use?

　　a. tcp

　　b. ip

　　c. udp

　　d. spx

　　e. appletalk
　　
　　13: when using tcp, after a session is open, the applications can adjust the number of segments they receive before sending an acknowledgment. this behavior is known as ______________.

　　a. mtu adjustment

　　b. windowing

　　c. flexible send path

　　d. fcs
　　
　　14: if the destination did not receive a segment, how will the tcp host know to resend the information?

　　a. the ack received will not include the segment number that was not received.

　　b. the ack received will include the segment number that was not received.

　　c. the sending host will send a pack to verify segment receipt.

　　d. the destination host will send a yack message back to the sending host.
　　
　　15: you are planning on using a single network that supports 208 users. which ip address class would you choose to be the most efficient?

　　a. class a

　　b. class b

　　c. class c

　　d. class d

　　e. class e
　　
　　16: rfc 1918 defines the private ip address ranges. which of the following ip addresses are considered part of these ranges? (choose three.)

　　a. 10.23.45.67

　　b. 126.21.34.56

　　c. 172.16.32.1

　　d. 172.31.234.55

　　e. 192.169.4.5Cisco认证