NET + Ch 5

Fill in the blank. Transport layer ports 1 through _______ are used to identify well-known ports.

1023

At what layer of the OSI model are port numbers addressed?​ transport network application physical

a

At which layer of the TCP/IP model does TCP operate? transport application internetwork network access

a

Which protocol allows a user to type www.cisco.com instead of an IP address to access the web server? DNS FTP HTML HTTP SNMP

a

Which two applications provide virtual terminal access to remote servers? (Choose two.) SSH DNS DHCP SMTP Telnet

a e

Which two protocols are used in the process of sending and receiving emails? (Choose two.) HTTP POP SSH SMTP FTP

b d

What action does a DNS server take if it does not have an entry for a requested URL? The server drops the request. The server returns a "page not found" response to the client. The server checks with another DNS server to see if it has an entry. The server assigns a temporary IP address to the name and sends this IP address to the client.

c

What is a "best effort" protocol well suited for streaming audio and VoIP? TCP IP UDP SSH

c

What is the advantage of using SSH over Telnet? SSH is easier to use. SSH operates faster than Telnet. SSH provides secure communications to access hosts. SSH supports authentication for a connection request.

c

What type of server would use IMAP? DNS DHCP email FTP Telnet

c

What is used by TCP and UDP to track multiple individual conversations between clients and servers?​ domain names URLs IP addresses port numbers

d

Which communication tool allows multiple users to communicate with each other in real time by using a smartphone application or social media site? blog email web mail instant messaging

d

Which three protocols operate at the application layer of the TCP/IP model? (Choose three.) ARP TCP UDP FTP POP3 DHCP

d e f

Fill in the blank. A _______ center is a facility used to house computer systems in an enterprise network.

data

A _______ is a host that runs software to provide information, such as web content, to other hosts.

server