Mod 15

Which of the following DNS record types is used to resolve IPv6 addresses?

AAAA

This layer of the OSI model is concerned with the protocols that exchange data between programs running on hosts.

Application

A wireless host needs to request an IPv4 address. What protocol would be used to process the request?

DHCP

Which two are protocols that belong in the OSI application layer?

DNS, SMTP

This is a function of the OSI session layer.

Exchange of information to initiate dialog between peers

An author is uploading one chapter document from a personal computer to a file server of a book publisher. What role is the personal computer assuming in this network model?

client

Which of the following is displayed by the nslookup utility?

the configured default DNS server

True or false? FTP data transfers take place from client to server (push) and from server to client (pull).

true

True or false? In a peer-to-peer network environment every peer can function as both a client and a server.

true

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

.com

How many connections are required by FTP between client and server?

2

Which of these ports are used by FTP? (Choose two.)

20,21

These three OSI layers define the same functions as the TCP/IP model application layer.

Application, Presentation, Session

Which peer-to-peer application allows users to share pieces of many files with each other at the same time?

BitTorrent

What message type is used by an HTTP client to request data from a web server?

GET

Which three protocols or standards are used at the application layer of the TCP/IP model? (Choose three.)

GIF, HTTP, MPEG

This protocol is used by a web browser to establish a connection to a web server.

HTTP

Which protocol uses encryption?

HTTPS

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 is a feature of IMAP?

It downloads a copy of email messages leaving the original on the server

Why is DHCP for IPv4 preferred for use on large networks?

It is a more efficient way to manage IPv4 addresses than static address assignment is

Which of the following DNS resource record types resolves authoritative name servers?

NS

Which protocol can be used to transfer messages from an email server to an email client?

POP3

This message type is used when uploading data files to a web server.

POST

MKV, GIF, and JPG standards are associated with which OSI layer?

Presentation

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

SMB

This protocol is used by a client to send email to a mail server.

SMTP

Which statement is true about FTP?

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

Which of the following is a feature of the Gnutella protocol?

Users can share whole files with other users

On a home network, which device is most likely to provide dynamic IPv4 addressing to clients on the home network?

a home router

Which TCP/IP model layer is closest to the end user?

application

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

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

True or false? A DNS server that receives a request for a name resolution that is not within its DNS zone will send a failure message to the requesting client.

false

True or false? HTTP is a secure protocol.

false

True or false? Resource sharing over SMB is only supported on Microsoft operating systems.

false

True or false? The peer-to-peer networking model requires the implementation of a dedicated server for data access.

false

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

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