IST-220 Test 4

copper cable

Which media is used to carry electrical pulses that represent digital data?

10.0.0.0 to 10.255.255.255 172.16.0.0 to 172.31.255.255 192.168.0.0 to 192.168.255.255

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

destination IP address

Which part of a data packet is used by a router to determine the destination network?

POP

Which protocol is used by a client to retrieve an e-mail from a remote server using a TCP/IP connection?

access layer

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

DSL

A home user is looking for an ISP connection that provides high speed digital transmission over regular phone lines. What ISP connection type should be used?

CLI, GUI

A learner wants to interact with the operating system of a computer. Which two methods can be used for this? (Choose two.)

easy to install low cost

A network designer is working with a small company to determine the network type best suited to the needs of the company. Which two characteristics could the designer use to describe a peer-to-peer network to the owner of the company? (Choose two.)

substitution

A user is not able to connect to the network. A PC technician replaces the network cable that connects the PC to the switch port. The user is now able to connect to the network. Which troubleshooting technique did the technician use?

bottom-up

A user is unable to send e-mail. While troubleshooting this problem, the network technician first verifies the physical connectivity of cables. Which troubleshooting approach is being followed?

broadcast

All hosts within a domain receive the same frame that originates from one of the devices. The domain is also bounded by routers. What type of domain is this?

Further troubleshooting will be required to reach a definite conclusion

In an attempt to verify connectivity, a user issues the ping command to a device that is not on the local network. The ping is unsuccessful. What can be determined from this result?

multicast

Refer to the exhibit. Host A sends a message to a group of four computers out of the ten computers on this network. Which type of message does host A send?

learn the MAC address that is associated with Host2

Refer to the exhibit. Host2 attempts to establish communications with Server1. What action will switch SW1 take prior to forwarding the frame?

upgrade

Some new features are available for the OS that is currently running on a user's PC. What method should be chosen so that the user can install these new feature sets?

128.107.255.1

Refer to the exhibit. A network technician is statically assigning an IP address to a PC. The default gateway is correct. What would be a valid IP address to assign to the host?

(4th one) http://1.bp.blogspot.com/-Dgxsqrh59wU/TsLz7dyULcI/AAAAAAAAAMk/GZYe-EA-_i8/s1600/157782opt3.jpg

Refer to the exhibit. A user on Host1 requests a web page from the web server. Which diagram is accurate for the encapsulation of the traffic that is sent from the user to the web server?

Replace the cable with a straight-through cable

Refer to the exhibit. A user sets up a home network and uses a crossover cable from Switch1 to the Internet port on the ISR. However, there is no connection between the host H1 and the server. What should the user do in order to establish a connection?

The wireless connection is operational

Refer to the exhibit. 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?

192.168.1.253

Refer to the exhibit. What default gateway address will be assigned to PC1 if access to remote resources is needed?

A straight-through cable should be used to connect the PC to the switch

Refer to the exhibit. What is a possible reason that the PC is unable to ping the default gateway IP address?

It identifies the wireless LAN

Refer to the exhibit. What is the purpose of assigning a network name of College?

to support hosts that use different 802.11 standards

Refer to the exhibit. Why would a network administrator use the network mode that is shown?

link status LED on the front of the router

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?

NAT

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

a router to a switch

Select the connection that would require a straight-through cable

Trojan horse

The help desk at a large packaging company receives a call from a user who is concerned about lost data files on the local PC. The help desk technician learns that the user clicked on an icon that appeared to be a program update, but no updates were scheduled for that program. What type of attack has likely occurred?

0,1

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

flash drive external DVD

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

loss of signal strength as distance increases

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

Download speeds are faster than upload speeds

What is a major characteristic of asymmetric Internet service?

a collection of patches and updates released by a vendor

What is a service pack?

255.255.0.0

What is the default subnet mask for the IP address 128.107.23.10

to prevent collisions

What is the function of CSMA/CA on a wireless Ethernet network?

It translates a computer or domain name to the associated IP address

What is the function of the DNS server?

1518

What is the maximum number of bytes that is allowed in a standard IEEE 802.3 Ethernet frame?

interference of signals between wire pairs

What is the meaning of the term crosstalk?

to allow for a publicly accessible zone without compromising the internal network

What is the purpose of creating a DMZ during network firewall implementation?

router

What network device contains a table of all locally connected networks and the interfaces used to connect to them?

Disable SSID broadcasts

What procedure will help prevent users from detecting a wireless network?

minimizes crosstalk

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

to ensure good electrical contact

When terminating a UTP cable, why is it important to push the wires all the way into the end of the connector?

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. An example of a network application is instant messaging

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

TCP

Which transport layer protocol is used when an application requires acknowledgment that data has been delivered?

IP address subnet mask

Which two IP configuration components does the computer use to identify its subnetwork? (Choose two.)

TCP, UDP

Which two transport layer protocols enable hosts to communicate and transfer data? (Choose two.)

denial of service

Which type of attack involves flooding a server port with SYN messages?

laptop

Which type of computer uses an integrated monitor and keyboard?

The public address can be routed on the Internet.

Why would a corporate web server be assigned a public IP address instead of a private IP address?

acceptable use

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