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

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


您可能感興趣的試卷

你可能感興趣的試題

1.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.

3.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.

4.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

5.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

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(xiàng)選擇題

What is the purpose of typing o/r 0x2142 during a password recover procedure on a 2500 series router?()

題型:單項(xiàng)選擇題

Identify three valid host addresses in the 192.168.27.0 network with a subnet mask of 255.255.255.240. ()

題型:多項(xiàng)選擇題

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

題型:多項(xiàng)選擇題

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

題型:單項(xiàng)選擇題

A technician at TestKing needs to update the network documentation. One of the tasks includes documenting the name of the IOS image file of each router in the network.Which commands could be used to find this information?()

題型:單項(xiàng)選擇題

Which of the following host addresses are member of networks that can be routed across the public Internet? ()

題型:多項(xiàng)選擇題

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

題型:多項(xiàng)選擇題

Which command is used to display the placement and direction of an IP access control list on a router?()

題型:單項(xiàng)選擇題

Which of the following correctly describe steps in the OSI data encapsulation process?()

題型:多項(xiàng)選擇題