單項選擇題Which protocol automates all of the following functions for hosts on a network: IP configuration, IP addresses, subnet masks, default gateways, and DNS server information?（）

A. CDP
B. SNMP
C. DHCP
D. ARP
E. DNS
F. None of the above


您可能感興趣的試卷

你可能感興趣的試題

1.單項選擇題Which protocol below uses TCP port 443?（）

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

2.多項選擇題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.

4.單項選擇題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.

5.多項選擇題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

最新試題

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? （）

題型：多項選擇題

What should the configuration register value be after successfully completing the password recover procedure and returning the router to normal operation? （）

題型：單項選擇題

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? （）

題型：單項選擇題

The following access list was applied outbound on he E0 interface connected to the 192.168.1.8/29 LAN:access-list 123 deny tcp 192.168.1.8 0.0.0.7 eq 20 anyaccess-list 123 deny tcp 192.168.1.9 0.0.0.7 eq 21 anyWhat effect will this access list have?（）

題型：單項選擇題

TestKing.com has allocated the IP add 199.144.27.0 is its network, to provide flexibility for the LAN design, a subnet mask of 255.255.255.240 has been chosen. Which of the following address can be assigned to LAN on the resulting subnets.（）

題型：多項選擇題

Which of the following contribute to congestion on an Ethernet network?（）

題型：多項選擇題

An administrator would like to configure a switch over a virtual terminal connection from locations outside of the local LAN. Which of the following are required in order for the switch to be configured from a remote location? （）

題型：多項選擇題

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

題型：多項選擇題

What is the purpose of pressing the Ctrl+Break keys during the router password recover procedure?（）

題型：單項選擇題

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

題型：單項選擇題