多项选择题
Which three statements describe the User Datagram Protocol (UDP)?（）
A.UDP provides delivery notification and error checking mechanisms.
B.UDP is faster than the Transmission Control Protocol (TCP).
C.UDP application examples include DNS and VoIP.
D.UDP is an application layer protocol.
E.UDP uses a best effort delivery approach.
相关考题
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多项选择题
Which three statements describe the Transmission Control Protocol (TCP)?（）
A.TCP is a transport layer protocol.
B.TCP is faster than the User Datagram Protocol (UDP).
C.TCP provides delivery notification and error checking mechanisms.
D.TCP uses a best effort delivery approach.
E.TCP application examples include HTTP and SMTP. -
单项选择题
You are the network administrator setting up the IP network for a new branch office. You need at least 5 networks with 25 hosts each. You have been allocated a /24 network.Which prefix length will satisfy the given requirements?（）
A./24
B./26
C./27
D./28 -
多项选择题
Which two statements about subnet masks are true?（）
A.If a bit is turned on (1), the corresponding bit in the IP address is used for the host portion.
B.If a bit is turned off (0), the corresponding bit in the IP address is used for the host portion.
C.If a bit is turned on (1), the corresponding bit in the IP address is used for the network prefix.
D.If a bit is turned off (0), the corresponding bit in the IP address is used for the network prefix.
