Just Want To Share What I know......

Thursday, May 1, 2008

Finally For All


Assessment Item:


Which three statements are true about local and network applications? (Choose three.)

A local application is loaded in a local computer and can be accessed by a remote computer on the network.

A network application is loaded in a local computer and accessed from a remote computer.

A local application is loaded in a local computer and accessed only by the local computer.

A network application is loaded in a local computer and accessed only by the local computer.

An example of a local application is e-mail.

An example of a network application is instant messaging.

Assessment Item:


What type of computer would most likely use a docking station?

laptop

server

desktop

mainframe

workstation


Assessment Item:


What are the two possible values for a digital bit? (Choose two.)

0

1

A

F

#

9


Assessment Item:


What measurement is commonly used to describe communication speed when transferring data?

bps

cps

Hz

MB


Assessment Item:


What are two examples of storage peripheral devices? (Choose two.)

printer

flash drive

headphones

external DVD

barcode reader


Assessment Item:


What are two ways that a user can interact with an operating system shell? (Choose two.)

CLI

OS

GUI

NIC

kernel


Assessment Item:


When considering the purchase of a new operating system, what is meant by "Total Cost of Ownership?"

applications and support costs

hardware and support costs

hardware and software costs

hardware, software, and support costs

hardware, operating system, and applications costs


Assessment Item:


What are two advantages of purchasing a custom-built computer? (Choose two.)

usually a lower cost

no waiting period for assembly

user can specify higher performance components

supports higher-end graphics and gaming applications

fewer components to replace


Assessment Item:


Which installation option should be chosen when the current operating system is too damaged to work properly?

upgrade

multi-boot

clean install

virtualization


Assessment Item:


Within a local network, which two items must be unique on a computer for it to successfully connect to the network? (Choose two.)

IP address

subnet mask

computer name

default gateway address

operating system version




Assessment Item:


A computer joins the network and announces itself to all hosts on the LAN. What type of message does the computer send out?

broadcast

simulcast

multicast

unicast


Assessment Item:


What layer is the first point of entry for a host into the network?

core layer

access layer

network layer

distribution layer


Assessment Item:


What information within a data packet does a router use, by default, to make forwarding decisions?

the destination MAC address

the destination IP address

the destination host name

the destination service requested


Assessment Item:


What action will a router take when it receives a frame with a broadcast MAC address?

It will not forward the frame to another network.

It forwards the frame back to the sending host with its IP address as a response.

It forwards the frame out of all interfaces except the interface where the frame was received.

It forwards the frame back out the receiving interface to insure all hosts on the local network receive it.



Assessment Item:


What is an ISP?

It is a standards body that develops cabling and wiring standards for networking.

It is a protocol that establishes how computers within a local network communicate.

It is an organization that allows individuals and businesses to connect to the Internet.

It is a networking device that combines the functionality of several different networking devices in one


Assessment Item:


When are leased lines typically used?

when low bandwidth is required

for home and small business connectivity

when a dedicated digital data line is necessary

as a less expensive option to cable and DSL modem service


Assessment Item:


What is the name for the contract between a customer and an ISP that specifies requirements for uptime and service response time?

DSL

IAB

NAP

SLA


Assessment Item:


Where do ISPs get the public addresses that they assign to end users?

ISPs create the addresses themselves.

ISPs are assigned addresses through the RFC.

ISPs obtain their addresses automatically.

ISPs obtain address blocks from registry organizations.


Assessment Item:


Select the connection that would require a straight-through cable.

a switch to a hub

a router to a switch

a switch to a switch

a router to a router


Assessment Item:


How does a crossover cable make it possible for two "like devices" (for example, two switches) to communicate?

The transmit pins are disconnected and only the receive pins are used.

The transmit pins on one device are connected to the transmit pins on the other device.

The receive pins on one device are connected to the receive pins on the other device.

The transmit pins on one device are connected to the receive pins on the other device.


Assessment Item:


When terminating UTP cabling, why is it important to untwist only a small amount of each wire pair?

minimizes crosstalk

makes installation faster

ensures wires are in correct order

makes it easier to fit wires into connector


Assessment Item:


What does the term "attenuation" mean in data communication?

loss of signal strength as distance increases

time for a signal to reach its destination

leakage of signals from one cable pair to another

strengthening of a signal by a networking device


Assessment Item:


What is specified by the network number in an IP address?

the network to which the host belongs

the physical identity of the computer on the network

the node of the subnetwork which is being addressed

the broadcast identity of subnetwork


Assessment Item:


Which of the following are the address ranges of the private IP addresses? (Choose three.)

10.0.0.0 to 10.255.255.255

200.100.50.0 to 200.100.25.255

150.150.0.0 to 150.150.255.255

172.16.0.0 to 172.31.255.255

192.168.0.0 to 192.168.255.255

127.16.0.0 to 127.31.255.255


Assessment Item:


Select three statements that correctly describe how DHCP services may be provided. (Choose three.)

An integrated router provides IP configurations for most ISPs.

An integrated router can act as both DHCP server and DHCP client.

A home PC using a static IP address obtained that address from a DHCP server.

Most home network integrated routers receive an IP configuration directly from their ISP.

A variety of devices can act as DHCP servers, as long as they run DHCP service software.

A home PC is required by standards to obtain an IP address and default gateway from a DHCP server (usually the ISP).


Assessment Item:


Which of the following are transport layer protocols of the TCP/IP model? (Choose two.)

FTP

UDP

SMTP

TFTP

TCP


Assessment Item:





Refer to the graphic. What feature can be installed on the Linksys integrated router to convert private IP addresses to Internet-routable addresses?

authentication

DHCP

encryption

firewall

NAT

WEP


Assessment Item:


What is the default subnet mask for the IP address 128.107.23.10?

255.0.0.0

255.255.0.0

255.255.255.0

255.255.255.255


Assessment Item:


A network host is accessing a web server. What two protocols are most likely being used as the TCP/IP model application layer protocol and the internetwork layer protocol? (Choose two.)

IP

FTP

TCP

DHCP

HTTP


Assessment Item:


Which of the following statements best describes DNS?

DNS servers are used to map an IP address to a physical address.

DNS servers are used to map a name to an IP address.

DNS servers are used to configure logical address information for host computers.

DNS servers are used to translate from private addresses to public addresses.


Assessment Item:


Which protocol is used to transfer files among network devices and perform file-management functions?

DNS

FTP

HTML

HTTP


Assessment Item:


Choose the option that shows the correct sequence of steps in the encapsulation of TCP/IP data that is passed from a source to a destination host?

A. converts data to bits for transmission
B. packages the data for end to end transport
C. adds the data-link header and trailer
D. adds the network IP address to the header of the frame

A,B,C,D

A,C,D,B

B,D,C,A

B,C,D,A

D,C,B,A


Assessment Item:


Which part of the electromagnetic spectrum is commonly used to exchange data between a PDA and a computer?

FM

radar

infrared

ultraviolet


Assessment Item:


The area covered by a single AP is known as what?

ad-hoc network

basic service set

independent basic service set

extended service set

distribution system


Assessment Item:





Refer to the graphic. What is the purpose of assigning a Network Name of Academy?

It identifies the wireless LAN.

It translates IP addresses into easy-to-remember domain names.

It encrypts data between the wireless client and the access point.

It allows access to the AP configuration GUI by name rather than address.

It translates an internal address or group of addresses into an outside, public address.



Assessment Item:





Refer to the graphic. Based on the information that is shown, what statement is true?

This configuration would be commonly found in an ad hoc wireless network.

Any wireless client that is attached to this access point would have the same IP address and SSID.

All wireless devices that are connected to this access point must have an assigned SSID of Academy.

In addition to accepting wireless client requests, this access point must connect to the wired network.


Assessment Item:


A small company owns one older AP that provides a maximum data rate of 11 Mb/s. The company wants to add a newer AP that will provide a faster data rate but be compatible with the existing AP. What two wireless standards are referenced in this scenario? (Choose two.)

802.11

802.11a

802.11b

802.11d

802.11g


Assessment Item:


Which wireless protocol is used for encryption?

EAP

Open

PSK

WEP


Assessment Item:


Your school network blocks all websites related to online gaming. What type of security policy is being applied?

identification and authentication

remote access

acceptable use

incident handling


Assessment Item:


What is a service pack?

an access policy

an agreement between a company and a vendor

a piece of code created to fix one specific problem

a collection of patches and updates released by a vendor

a small piece of software designed specifically for security issues


Assessment Item:


Which statement is true concerning stateful packet inspection?

Access is permitted based on IP addresses of the source and destination devices.

Access is permitted based on the MAC addresses of the source and destination devices.

Access is permitted only if the type of application that is attempting to reach the internal host is allowed.

Access is permitted only if it is a legitimate response to a request from an internal host.


Assessment Item:


For the second time in a week, workstations on a LAN are not able to log into the server. The technician fixed the problem the first time, but cannot remember the steps taken to solve it. What aspect of the troubleshooting process has the technician neglected?

identifying the problem

asking end-users questions

documenting the troubleshooting process

using structured techniques to solve a problem


Assessment Item:


Identify two causes of physical layer network problems. (Choose two.)

logical addressing issues

improperly terminated cables

cables plugged into wrong ports

incorrect MAC address assigned

packets received out of sequence

incorrect subnet mask on an interface


Assessment Item:





Refer to the graphic. Assume that the command output is from a wireless DHCP client that is connected to a Linksys integrated router. What can be deduced from the output?

The wireless connection is good.

The WEP key or SSID needs to be checked.

The DHCP configuration on the router needs to be checked.

The wireless NIC driver or the NIC itself needs to be reinstalled.


Assessment Item:


What two commands can be used to form a new binding if client information does not agree with the DHCP client table? (Choose two.)

ipconfig /release

ipconfig /all

ipconfig /flushdns

ipconfig /renew

ipconfig


Assessment Item:


When acting as a DHCP server, an integrated router can provide what three types of information to a client? (Choose three.)

physical address

MAC address

default gateway

static IP address

dynamic IP address

DNS server address


Assessment Item:





Refer to the graphic. Assume that the exhibited output is from a host that is connected to a Linksys integrated router. What is one of the first things you should check?

IP address on the host

IP address on the router

subnet mask on the host

default gateway on the host

link status LED on the front of the router


Assessment Item:


A wireless DHCP client cannot connect to the Internet through a Linksys integrated router. When you type ipconfig on the host, no IP address, subnet mask, or default gateway shows. What are two of the first things you will check? (Choose two.)

SSID

if the wireless client is configured for DHCP

the cable between client and integrated router

the firewall configuration on the integrated router

if the correct default gateway is configured on the client

if the correct default gateway is configured on the integrated router


Assessment Item:


Which two statements correctly describe MAC addresses? (Choose two.)

MAC addresses are used to identify a specific NIC.

MAC addresses contain a network number and unique host identification.

MAC addresses are physical addresses.

MAC addresses are always assigned to network devices by a network administrator.

MAC addresses are Layer 3 addresses.


Assessment Item:


A host sent a message that all other hosts on the switched local network received and processed. What type of domain are all these hosts a part of?

local domain

multicast domain

collision domain

broadcast domain


Assessment Item:


Which statement accurately describes what network devices do in the distribution layer of the three layer design model?

They interconnect individual hosts.

They interconnect multiple companies.

They interconnect local network segments.

They switch data packets as fast as possible.


Assessment Item:





Refer to the exhibit. What is the effect of setting the security mode to WEP on the Linksys integrated router?

WEP identifies the wireless LAN.

WEP allows the access point to inform clients of its presence.

WEP translates IP addresses into easy-to-remember domain names.

WEP encrypts data between the wireless client and the access point.

WEP ensures that only authenticated users are allowed access to the WLAN.

WEP translates an internal address or group of addresses into an outside, public

2 comments:

SAM OUTREACH GLOBAL NETWORK said...

Thanks. It help me to pass my CCDI final exam. I hope u will post more on the Cisco Discovery Exams.

CCNA said...

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cisco practise test and final test.

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