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QUESTION NO:36

Jayden is a network administrator for her company. Jayden wants to prevent MAC spoofing

on all the Cisco switches in the network. How can she accomplish this?

A. Jayden can use the commanD. ip binding set.

B. Jayden can use the commanD. no ip spoofing.

C. She should use the commanD. no dhcp spoofing.

D. She can use the commanD. ip dhcp snooping binding.

Answer: D

Explanation:

QUESTION NO:11

TCP SYN Flood attack uses the three-way handshake mechanism.

1. An attacker at system A sends a SYN packet to victim at system B.

2. System B sends a SYN/ACK packet to victim A.

3. As a normal three-way handshake mechanism system A should send an ACK packet to

system B, however, system A does not send an ACK packet to system B. In this case client

B is waiting for an ACK packet from client A.

This status of client B is called _________________

A. “half-closed”

B. “half open”

C. “full-open”

D. “xmas-open”

Answer: B

Explanation:

QUESTION NO:10

How do you defend against ARP Spoofing? Select three.

A. Use ARPWALL system and block ARP spoofing attacks

B. Tune IDS Sensors to look for large amount of ARP traffic on local subnets

C. Use private VLANS

D. Place static ARP entries on servers,workstation and routers

Answer: A,C,D

Explanation:

ARPwall is used in protecting against ARP spoofing.

Incorrect answer:

IDS option may works fine in case of monitoring the traffic from outside the network but not

from internal hosts.

QUESTION NO:18

SYN Flood is a DOS attack in which an attacker deliberately violates the three-way

handshake and opens a large number of half-open TCP connections. The signature of

attack for SYN Flood contains:

A. The source and destination address having the same value

B. A large number of SYN packets appearing on a network without the corresponding reply

packets

C. The source and destination port numbers having the same value

D. A large number of SYN packets appearing on a network with the corresponding reply

packets

Answer: B

Explanation:

QUESTION NO:2

Jimmy, an attacker, knows that he can take advantage of poorly designed input validation

routines to create or alter SQL commands to gain access to private data or execute

commands in the database. What technique does Jimmy use to compromise a database?

A. Jimmy can submit user input that executes an operating system command to

compromise a target system

B. Jimmy can gain control of system to flood the target system with requests,preventing

legitimate users from gaining access

C. Jimmy can utilize an incorrect configuration that leads to access with higher-than

expected privilege of the database

D. Jimmy can utilize this particular database threat that is an SQL injection technique to

penetrate a target system

Answer: D

Explanation:

QUESTION NO:19

Which of the following type of scanning utilizes automated process of proactively identifying

vulnerabilities of the computing systems present on a network?

A. Port Scanning

B. Single Scanning

C. External Scanning

D. Vulnerability Scanning

Answer: D

Explanation:

QUESTION NO:26

An attacker finds a web page for a target organization that supplies contact information for

the company. Using available details to make the message seem authentic, the attacker

drafts e-mail to an employee on the contact page that appears to come from an individual

who might reasonably request confidential information, such as a network administrator.

The email asks the employee to log into a bogus page that requests the employee\’s user

name and password or click on a link that will download spyware or other malicious

programming.

Google\’s Gmail was hacked using this technique and attackers stole source code and

sensitive data from Google servers. This is highly sophisticated attack using zero-day

exploit vectors, social engineering and malware websites that focused on targeted

individuals working for the company.

What is this deadly attack called?

A. Spear phishing attack

B. Trojan server attack

C. Javelin attack

D. Social networking attack

Answer: A

Explanation:

QUESTION NO:13

You run nmap port Scan on 10.0.0.5 and attempt to gain banner/server information from

services running on ports 21, 110 and 123.

Here is the output of your scan results:

Which of the following nmap command did you run?

A. nmap -A -sV -p21,110,123 10.0.0.5

B. nmap -F -sV -p21,110,123 10.0.0.5

C. nmap -O -sV -p21,110,123 10.0.0.5

D. nmap -T -sV -p21,110,123 10.0.0.5

Answer: C

Explanation:

QUESTION NO:28

How does traceroute map the route a packet travels from point A to point B?

A. Uses a TCP timestamp packet that will elicit a time exceeded in transit message

B. Manipulates the value of the time to live (TTL) within packet to elicit a time exceeded in

transit message

C. Uses a protocol that will be rejected by gateways on its way to the destination

D. Manipulates the flags within packets to force gateways into generating error messages

Answer: B

Explanation:

Traceroute works by increasing the “time-to-live” value of each successive batch of packets

sent. The first three packets have a time-to-live (TTL) value of one (implying that they make

a single hop). The next three packets have a TTL value of 2,and so on. When a packet

passes through a host,normally the host decrements the TTL value by one,and forwards

the packet to the next host. When a packet with a TTL of one reaches a host,the host

discards the packet and sends an ICMP time exceeded (type 11) packet to the sender. The

traceroute utility uses these returning packets to produce a list of hosts that the packets

have traversed en route to the destination.

QUESTION NO:23

Dan is conducting penetration testing and has found a vulnerability in a Web Application

which gave him the sessionID token via a cross site scripting vulnerability. Dan wants to

replay this token. However, the session ID manager (on the server) checks the originating

IP address as well. Dan decides to spoof his IP address in order to replay the sessionID.

Why do you think Dan might not be able to get an interactive session?

A. Dan cannot spoof his IP address over TCP network

B. The scenario is incorrect as Dan can spoof his IP and get responses

C. The server will send replies back to the spoofed IP address

D. Dan can establish an interactive session only if he uses a NAT

Answer: C

Explanation:

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