A+ Answers of the following Questions

1. (TCO 1) What is software called that is distributed free of charge with the source code provided so that it can be modified as needed? (Points : 16)


2. (TCO 2) The documentation that specifies which computers Linux has been successfully installed on is called the _____. (Points : 16)


3. (TCO 3) What is the command that will rename the file newdata to olddata? The file is located in the /customers directory. (Points : 16)


4. (TCO 4) What is the name of the path and filename for the file that contains a table of hostnames and their IP addresses? (Points : 16)


5. (TCO 5) What is the command required to create a set of public and private keys that can be used by ssh (Secure Shell)? (Points : 16)


6. (TCO 6) What is the name of the TCP protocol that is used to view web pages, and what is the well-known port number for this protocol? (Points : 16)


7. (TCO 7) What is the path and name for the directory where you can place scripts that will automatically run every hour? (Points : 16)

1. (TCO 4) What is the command that verifies that Frame Relay is running correctly? (Points : 3)
show interfaces
encapsulation frame-relay
show frame-relay map
debug frame-relay


2. (TCO 4) Local Management Interface (LMI) is a keep-alive mechanism that provides status information about Frame Relay connections between the _____ and the Frame Relay _____. (Points : 3)
beginning, end
switch (DCE), router (DTE)
router (DTE), switch (DCE)
router (DCE), switch (DTE)


3. (TCO 4) The reason that more companies implement partial-mesh topologies instead of full mesh is because (Points : 3)
it requires too much cabling.
of the cost of number of lines required.
it requires too much equipment.
it is not manageable.

1. (TCO4) Virtual circuits provide a(n) _____ communication path from one DTE device to another. (Points : 3)
one-direction
any-direction
multidirectional
bidirectional


2. (TCO 7) A person who sends large amounts of unsolicited e-mail messages is a (Points : 3)
phisher.
spammer.
white hat.
cracker.


3. (TCO 7) According to the course textbook, what one piece of network hardware is most vulnerable to security issues? (Points : 3)
Servers
Routers
Cabling

1. (TCO 7) Over the years the types and methods of security attacks have evolved. What kind of network attack became prevalent starting around 1995? (Points : 3)
Password guessing and code replication
Password cracking and war dialing
Viruses, including the ILOVEYOU worm, Nimda, and Code Red
Trojan horses such as Back Orifice

2. (TCO 7) Securing router network services most commonly needs to be done at what IOS layer? (Points : 3)
Network
Application
Physical
Data link

3. (TCO 7) What type of attacks use dictionary-cracking and brute-force methods? (Points : 3)
Reconnaissance attacks
Password attacks
DoS attacks
Worms, viruses, and Trojan horses

4. (TCO 7) Which network policy defines the standards for connecting to the internal network from outside the organization? (Points : 3)
Account-access-request policy
Remote-access policy
Risk-assessment policy
Audit policy

1. (TCO 5) MPLS uses constraint-based routing. Which of the following variables is NOT considered with MPLS? (Points : 5)
Bandwidth
Delay
Distance between routers
Quality of Service requirements


2. (TCO 5) Which one of the following is NOT an EDI standard that is used, as mentioned in the course textbook? (Points : 5)
Proprietary
Noncompliant and industry specific
Local, such as X.22
National, such as ANSI X.12
International, such as EDIFACT (EDI for Administration, Commerce, and Transport)

3. (TCO 5) What does SMTP stand for? (Points : 5)
Synchronous Mail Transfer Protocol
Simple Mail Transfer Protocol
Server Maintenance Terminal Program
Synchronous Mean Time Protocol