Chapter 10 Networking

What part of the URL, http://www.cisco.com/index.html, represents the top-level DNS domain?

.com

When retrieving email messages, which protocol allows for easy, centralized storage and backup of emails that would be desirable for a small- to medium-sized business?

IMAP

Which two definitions accurately describe the associated application layer protocol? (Choose two.)

Telnet - provides remote access to servers and networking devices* DNS - resolves Internet names to IP addresses*

Which statement is true about FTP?

The client can download data from or upload data to the server.*

Which three statements describe a DHCP Discover message? (Choose three.)

The destination IP address is 255.255.255.255.* The message comes from a client seeking an IP address.* All hosts receive the message, but only a DHCP server replies.*

HTTP

displays web pages

Which two tasks can be performed by a local DNS server? (Choose two.)

mapping name-to-IP addresses for internal hosts* forwarding name resolution requests between servers*

DNS

maps URLs to numerical addresses

Which PC or PCs are sending FTP packets to the server?

PC 2

SMTP

sends email messages

What are two characteristics of the application layer of the TCP/IP model? (Choose two.)

the creation and maintenance of dialogue between source and destination applications * closest to the end user*

What is an example of network communication that uses the client-server model?

A workstation initiates a DNS request when the user types www.cisco.com in the address bar of a web browser.*

Which layer in the TCP/IP model is used for formatting, compressing, and encrypting data?

Application

What do the client/server and peer-to-peer network models have in common?

Both models support devices in server and client roles.*

What is true about the Server Message Block protocol?

Clients establish a long-term connection to servers.*

A manufacturing company subscribes to certain hosted services from its ISP. The services that are required include hosted world wide web, file transfer, and e-mail. Which protocols represent these three key applications? (Choose three.)

FTP, HTTP, SMTP

The HTTP message type used by the client to request data from the web server is the _______ message.

GET

What is the acronym for the protocol that is used when securely communicating with a web server?

HTTP

Which application layer protocol uses message types such as GET, PUT, and POST?

HTTP

Which application layer protocol is used to provide file-sharing and print services to Microsoft applications?

SMB

What is an advantage for small organizations of adopting IMAP instead of POP?

Messages are kept in the mail servers until they are manually deleted from the email client.*

Two students are working on a network design project. One student is doing the drawing, while the other student is writing the proposal. The drawing is finished and the student wants to share the folder that contains the drawing so that the other student can access the file and copy it to a USB drive. Which networking model is being used?

Peer to Peer

The application layer of the TCP/IP model performs the functions of what three layers of the OSI model? (Choose three.)

Session, Application, Presentation

Peer to Peer application

[#] requires a specific user interface [#] a background service is required

peer-to-peer network

[+] no dedicated server is required [+] client and server roles are set on a per request basis

Which phrase describes an FTP daemon?

a program that is running on an FTP server*

IMAP

allows viewing of messages on email clients

DHCP

dynamically assigns IP address to clients

Refer to the exhibit. What command was used to resolve a given host name by querying the name servers?

nslookup