CCNA 4 Chapter 7 -2014

1. Refer to the exhibit. Traffic exiting R1 is failing translation. What part of the configuration is most likely incorrect?

Access-list statement

2. Refer to the exhibit. What is the purpose of the command marked with an arrow shown in the partial configuration output of a Cisco broadband router?

defines which addresses can be translated

3. How many bits of an IPv6 address are used to identify the interface ID?

64

4. Refer to the exhibit. How many IPv6 broadcast domains exist in this topology?

0

CCNA 4 Chapter 8 -2014

1. What combination of IP address and wildcard mask should be used to specify only the last 8 addresses in the subnet 192.168.3.32/28?

192.168.3.40 0.0.0.7

2. Excessive broadcasts are generally a symptom of a problem at which layer?

Data link

3. Refer to the exhibit. Which three pieces of information can be determined by analyzing the output shown? (Choose three.)

A carrier detect signal is present.

Keepalives are being received successfully.

The LCP negotiation phase is complete.

4. A network administrator has received complaints that users on a local LAN can retrieve e-mail from a remote e-mail server but are unable to open web pages on the same server. Services at which two layers of the OSI model should be investigated during the troubleshooting process? (Choose two.)

Transport layer

Application layer

CCNA 4 Final Exam Answers -2014

1. What functionality do access control lists provide in the implementation of dynamic NAT on a Cisco router?

define which addresses can be translated

2. Which three guidelines would help contribute to creating a strong password policy? (Choose three.)

Deliberately misspell words when creating passwords.

Create passwords that are at least 8 characters in length.

Use combinations of upper case, lower case, and special characters.

3. Refer to the exhibit. Every time the administrator reboots this router, the boot process ends in setup mode. What is a possible problem?

The configuration register is set to ignore the startup configuration.

4. Which option correctly defines the capacity through the local loop guaranteed to a customer by the service provider?

CIR

CCNA Security Chapter 1 - 2014

1. What are the basic phases of attack that can be used by a virus or worm in sequential order?
		paralyze, probe, penetrate, persist, and propagate
	>>	probe, penetrate, persist, propagate, and paralyze
		penetrate, persist, propagate, paralyze, and probe
		persist, propagate, paralyze, probe, and penetrate
2. Which two are characteristics of DoS attacks? (Choose two.)
		They always precede access attacks.
	>>	They attempt to compromise the availability of a network, host, or application.
		They are difficult to conduct and are initiated only by very skilled attackers.
		They are commonly launched with a tool called L0phtCrack.
	>>	Examples include smurf attacks and ping of death attacks.
3. Users report to the helpdesk that icons usually seen on the menu bar are randomly appearing on their computer screens. What could be a reason that computers are displaying these random graphics?
		An access attack has occurred.
	>>	A virus has infected the computers.
		A DoS attack has been launched against the network.
		The computers are subject to a reconnaissance attack.