Data Communication

Pataasin ang iyong marka sa homework at exams ngayon gamit ang Quizwiz!

Which destination IPv4 address does a DHCPv4 client use to send the initial DHCP Discover packet when the client is looking for a DHCP server?

255.255.255.255

A client device has initiated a secure HTTP request to a web browser. Which well-known port address number is associated with the destination address?

443

Refer to the exhibit. Which protocol allows a user to type www.cisco.com instead of an IP address to access the web server?

DNS

What is the IPv6 prefix that is used for link-local addresses?

FE80::/10

What two characteristics describe an FTP connection?

Files can be downloaded from or uploaded to the server. The first connection established is for traffic control and the second connection is created to transfer a file.

Which protocol is used to transfer web pages from a server to a client device?

HTTP

Which protocol retains a message in a mailbox on a server, even after the message is accessed by a user on a local client device?

IMAP4

Which two reasons generally make DHCP the preferred method of assigning IP addresses to hosts on large networks? (Choose two.)

It eliminates most address configuration errors. It reduces the burden on network support staff.

Which action is performed by a client when establishing communication with a server via the use of UDP at the transport layer?

The client randomly selects a source port number.

What type of applications are best suited for using UDP?

applications that are sensitive to delay

If more than one DHCP server is available on the local network, in which order will DHCP messages be sent between a host and a DHCP server?

discover, offer, request, acknowledgment

Which network technology allows devices to communicate using both IPv4 and IPv6 addressing at the same time?

dual stack

Which two types of devices are typically assigned static IP addresses? (Choose two.)

printers web servers

Typically, which network device would be used to perform NAT for a corporate environment?

router

Which characteristic describes the default gateway of a host computer?

the logical address of the router interface on the same network as the host computer

A destination PC receives an email message with the sequence numbers on packets out of order. Which layer of the TCP/IP model is responsible for reassembling the packets of the message in the correct order?

transport


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