多項(xiàng)選擇題What statements are true regarding ICMP packets?（）

A. They acknowledge receipt of TCP segments.
B. They guarantee datagram delivery.
C. They can provide hosts with information about network problems.
D. They are encapsulated within IP datagrams.
E. They are encapsulated within UDP datagrams.


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1.多項(xiàng)選擇題Which three address ranges are used for internal private address blocks as defined by RFC 1918?（）

A. 0.0.0.0 to 255.255.255
B. 10.0.0.0 to 10.255.255.255
C. 172.16.0.0 to 172.16.255.255
D. 172.16.0.0 to 172.31.255.255
E. 127.0.0.0. to 127.255.255.255
F. 192.168.0.0 to 192.168.255.255
G. 224.0.0.0 to 239.255.255.255

2.單項(xiàng)選擇題What does the term computer language refer to?（）

A. Binary
B. Decimal
C. Hexadecimal
D. Octal
E. All of the above

4.單項(xiàng)選擇題Which protocol below uses TCP port 443?（）

A.HTML
B.HTTPS
C.TFTP
D.Telnet
E.SMTP

5.多項(xiàng)選擇題Regarding DHCP (dynamic host configuration protocol), which two of the following choices below are true?（）

A. The DHCP Discover message uses FF-FF-FF-FF-FF as the Layer 2 destination address.
B. The DHCP Discover message uses UDP as the transport layer protocol.
C. The DHCP Discover message uses a special Layer 2 multicast address as the destination address.
D. The DHCP Discover message uses TCP as the transport layer protocol.
E. The DHCP Discover message does not use a Layer 2 destination address.
F. The DHCP Discover message does not require a transport layer protocol.

7.單項(xiàng)選擇題The corporate head office of TestKing has a teleconferencing system that uses VOIP (voice over IP) technology. This system uses UDP as the transport for the data transmissions. If these UDP datagrams arrive at their destination out of sequence,what will happen?（）

A. UDP will send an ICMP Information Request to the source host.
B. UDP will pass the information in the datagrams up to the next OSI layer in the order that they arrive.
C. UDP will drop the datagrams.
D. UDP will use the sequence numbers in the datagram headers to reassemble the data in the correct order.
E. UDP will not acknowledge the datagrams and wait for a retransmission of the datagrams.

8.多項(xiàng)選擇題Although TCP segments differ from UDP segments, they both contain some common fields. What two segments do they share in common?（）

A. source address
B. options
C. sequence number
D. sources
E. destination port
F. checksum

9.多項(xiàng)選擇題Which of the following protocols utilize TCP?（）

A. NTP
B. NNTP
C. SMTP
D. SNMP
E. HTTPS
F. TFTP

最新試題

What feature of a networks switch allows an administrative to create separate broadcast domains?（）

題型：?jiǎn)雾?xiàng)選擇題

Which connections allow the use of full-duplex Ethernet?（）

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The network 172.12.0.0 needs to be divided into subnets where each subnet has the capacity of 458 IP addresses.What would be the correct subnet mask to accomplish this division keeping the number of subnets at the maximum? （）

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All WAN links is side the TestKing.com network use PPP with for authentication security. Which command will display the CHAP authentication process as it occurs between two routers in the network?（）

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Which of the following if addresses can be assigned to host devices?（）

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Which of the following options lists the steps in PPP session establishment in the correct order?（）

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A router with a serial interface will be used for an ISDN link.What other function group devices are required to complete the connection to the service provider? （）

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A network host is configured as follows: Host IP address: 192.168.16.183 Subnet mask: 255.255.255.224 Default gateway: 192.168.16.190 Which of the following statements describe the network to which this host is attached?（）

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What does a configuration Register Setting of 0x2105 indicate to the Router? （）

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Given a subnet mask of 255.255.255.224, which of the following addresses can be assigned to network hosts?（）

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