Jawaban DHomesb Chapter 7 (Ver. 4.0)

1.   Why is IEEE 802.11 wireless technology able to transmit further distances than Bluetooth technology?

transmits at much lower frequencies
has higher power output
transmits at much higher frequencies
uses better encryption methods

2.   What are three advantages of wireless over wired technology? (Choose three.)

more secure
longer range
anytime, anywhere connectivity
easy and inexpensive to install
ease of using licensed air space
ease of adding additional devices

3.   What are two benefits of wireless networking over wired networking? (Choose two.)

speed
security
mobility
reduced installation time
allows users to share more resources
not susceptible to interference from other devices

Jawaban DHomesb Chapter 5 (ver.4.0)

1. how large are IPv4 addresses?

8 bits
16 bits
32 bits
64 bits
128 bits

2.

refer to the graphic. a user at the workstation cannot connect to the server. all cables have been tested and are working and all devices have IP addressing. however, the user cannot ping the server. what is causing the problem?

Jawaban DHomesb chapter 2 (ver. 4.0)

1.   Which method of interacting with an operating system involves typing commands at a command prompt?

CLI GUI
redirector
kernel translator

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

CLI
OS
GUI
NIC
kernel

3.   What are three characteristics of an operating system that is released under the GPL (GNU Public License)? (Choose three.)

full access to source code

Jawaban DHomesb Chapter 4 (Ver. 4.0)

1.   Which definition describes the term Internet?

a group of PCs connected together on a LAN
a group of PCs connected together by an ISP
a network of networks that connects countries around the world
a worldwide collection of networks controlled by a single organization

2.   What type of connection point is a point of presence (POP)?

between a client and a host
between two local networks
between a computer and a switch
between an ISP and a home-based LAN

Jawaban DHomesb Chapter 9 (Ver. 4.0)

1.   What should a network administrator do first after receiving a call from a user who cannot access the company web server?

Reboot the web server.
Replace the NIC of the computer.
Ask the user to log off and log on again.
Ask the user what URL has been typed and what error message displays.

2.   A customer called the cable company to report that the Internet connection is unstable. After trying several configuration changes, the technician decided to send the customer a new cable modem to try. What troubleshooting technique does this represent?

top-down
bottom-up
substitution

Jawaban DHomesb Chapter 8 (Ver. 4.0)

1.   Identify three techniques used in social engineering. (Choose three.)

fishing
vishing
phishing
spamming
pretexting
junk mailing

2.   During a pretexting event, how is a target typically contacted?

by e-mail
by phone
in person

Jawaban DHomesb Chapter 3 (Version 4.0)

1.   Which term is used to describe the process of placing one message format into another format so that the message can be delivered across the appropriate medium?

flow control
encapsulation
encoding
multicasting
access method

2.

Jawaban DHomesb Chapter 6 ( Version 4.0)

JAWABAN DHomesb Chapter 1 (Version 4.0)

1.   Applications can be grouped into general use software or industry specific software. What are two examples of industry specific software? (Choose two.)

an educational tool
presentation
spreadsheet
word processing
medical practice management software
database management

2.   What characteristic of word processing software would make it a local application?

The application is shared between users.
The software is stored on the local hard drive.
The software is accessible through a web page.
The software has the ability to manipulate text and graphics