com530 all quizes

07 Jun com530 all quizes

Posted at 18:04h in Essay Writing Services by Blogger

Question

quizes

Question 1.1.An activist can best be described as which of the following? (Points : 5)

An unskilled programmer that spreads malicious scripts
Consider themselves seekers of knowledge
Use DoS attacks on websites with which they disagree
Deface websites by leaving messages for their friends to read

Question 2.2.Which type of firewall policy calls for a firewall to deny all traffic by default? (Points : 5)

Permissive policy
Perimeter policy
Restrictive policy
Demilitarized policy

Question 3.3.What is a program that appears to do something useful but is actually malware? (Points : 5)

Virus
Logic bomb
Trojan
Back door

Question 4.4.In which form of authentication does the authenticating device generate a random code and send it to the user who wants to be authenticated? (Points : 5)

Basic
Challenge/response
Biometrics
Signature

Question 5.5.Which type of attack works by an attacker operating between two computers in a network and impersonating one computer to intercept communications? (Points : 5)

Malicious port scanning
Man-in-the-middle
Denial of service
Remote procedure call

Question 6.6.How large is the IPv6 address space? (Points : 5)

32 bits
128 bits
64 bits
168 bits

Question 7.7.Which field in the IP header is an 8-bit value that identifies the maximum amount of time the packet can remain in the network before it is dropped? (Points : 5)

TTL
Fragment Offset
ECN
Options

Question 8.8.Which protocol is responsible for automatic assignment of IP addresses? (Points : 5)

DNS
DHCP
FTP
SNMP

Question 9.9.Which of the following is not an advantage of IPv6 versus IPv4? (Points : 5)

Larger address space
Built-in security
Supports static configuration
NAT is unnecessary

Question 10.10.Which of the following is a valid IPv6 address? (Points : 5)

5BA4:2391:0:0:4C3E
1080::8:800:200C:417A
24::5B1A::346C
5510:ABCD::34:1::2

Question 11.11.Which TCP flag can be the default response to a probe on a closed port? (Points : 5)

RST
URG
PSH
SYN

Question 12.12.Which of the following is the description of a land attack? (Points : 5)

The local host source address occurs in the packet.
Source and destination IP address/port are the same.
An illegal TCP flag is found in the segment header.
The attacker uses an undefined protocol number.

Question 13.13.What is the typical packet sequence for closing a TCP session? (Points : 5)

FIN, FIN ACK, RST
FIN, ACK, FIN ACK, ACK
FIN ACK, FIN, ACK, RST
FIN, FIN ACK

Question 14.14.Which of the following is an element of the TCP header that can indicate that a connection has been established? (Points : 5)

Flags
Stream index
SEQ/ACK analysis
Sequence number

Question 15.15.Of what category of attack is a DoS attack an example? (Points : 5)

Bad header information
Single-packet attack
Multiple-packet attack
Suspicious data payload

Question 16.16.What uses mathematical calculations to compare routes based on some measurement of distance? (Points : 5)

Route summarization
Link-state routing protocols
Routing metrics
Distance-vector routing protocols

Question 17.17.Which protocol that runs on Cisco routers shares information between Cisco devices? (Points : 5)

CDP
TCP
bootp
SSH

Question 18.18.Which of the following is true about ACLs on Cisco routers? (Points : 5)

There is an implicit deny any statement at the end of the ACL.
There is an explicit permit any statement at the beginning of the ACL.
ACLs are processed in reverse order so place high priority statements last.
ACLs bound to an interface apply to inbound and outbound traffic by default.

Question 19.19.Which of the following types of traffic does NOT travel through routers? (Points : 5)

DNS zone transfers
ARP requests
SNMP status information
Network route information

Question 20.20.Which of the following types of passwords prevents a user from accessing privileged exec mode on a Cisco router? (Points : 5)

Console
AUX
Enable
TTY

Question 1.1.Which of the following is the first step in the digital signature process where Mike sends a message to Sophie? (Points : 5)

A message digest of Mike’s message is calculated using a hashing algorithm
Sophie compares the message digest she calculated to Mikes’s message
Sophie encrypts Mike’s message with Mike’s public key
The message digest is encrypted by Mike’s private key

Question 2.2.Which of the following is described as a 64-bit block cipher composed of a 16-round Feistel network and key-dependent S-box functions? (Points : 5)

Twofish
RC4
Blowfish
Rijndael

Question 3.3.Which type of function is used in cryptography? (Points : 5)

Not AND
Permutation
NOR
X-box

Question 4.4.Which of the following is commonly used for verifying message integrity? (Points : 5)

Registration authority
CRL
Pseudorandom number generator
Hashing function

Question 5.5.Which of the following is NOT a critical goal of information security? (Points : 5)

Confidentiality
Scalability
Authentication
Nonrepudiation

Question 6.6.What term is given to a device that is designed to generate radio signals, not including those from the antenna? (Points : 5)

oscillator
conductive medium
intentional radiator
EIRP

Question 7.7.What is a potential problem with having too many APs in a given area? (Points : 5)

Refraction
Fading
Multipath
Co-channel interference

Question 8.8.Which digital signal modulation method is a binary modulation technique in which the carrier signal’s frequency is changed to represent a 1 or 0 bit? (Points : 5)

ASK
FSK
PSK
FDM

Question 9.9.Which of the following is true about RF transmissions? (Points : 5)

EM radiation is measured in volts
Frequency has an inverse relationship with wavelength
Frequency is the distance between waves
Cooler objects produce higher-frequency radiation than hotter objects

Question 10.10.What is used to convert an analog RF signal into digital format? (Points : 5)

spectrum
EIRP
modulator
carrier

Question 11.11.What is considered to be one of the biggest weaknesses of WEP? (Points : 5)

24-bit initialization vector
RC4 encryption
128-bit key
Kerberos authentication

Question 12.12.In which type of attack do attackers intercept the transmissions of two communicating nodes without the user’s knowledge? (Points : 5)

Rogue device
Wardriver
Man-in-the-middle
Brute force

Question 13.13.Which of the following is true about IEEE 802.11i? (Points : 5)

It uses WEP2 for authentication and encryption
It uses a symmetric block cipher for encryption
Temporal key integrity protocol is used for encryption
It uses PMK to generate data encryption keys

Question 14.14.Which of the following is true about wardriving? (Points : 5)

Attackers use RF monitor mode
The hardware is very expensive
The software is very expensive
Their goal is simply to hijack a connection

Question 15.15.What is a WNIC’s equivalent of a NIC’s promiscuous mode? (Points : 5)

Active scan mode
RF monitor mode
Passive attack mode
Auto-capture mode

Question 16.16.Which type of IDPS can have the problem of getting disparate systems to work in a coordinated fashion? (Points : 5)

inline
Host-based
Hybrid
Network-based

Question 17.17.Which of the following is an IDPS security best practice? (Points : 5)

to prevent false positives, only test the IDPS at initial configuration
communication between IDPS components should be encrypted
all sensors should be assigned IP addresses
log files for HIDPSs should be kept local

Question 18.18.Which of the following is NOT a typical IDPS component? (Points : 5)

Network sensors
Command console
Database server
Internet gateway

Question 19.19.Which of the following is NOT a method used by passive sensors to monitor traffic? (Points : 5)

Spanning port
Network tap
Packet filter
load balancer

Question 20.20.Where is a host-based IDPS agent typically placed? (Points : 5)

On a workstation or server
At Internet gateways
Between remote users and internal network
Between two subnets

Question 1.1.What should a company consider installing on the network perimeter to prevent direct connections between the internal network and the Internet to help protect its data warehouses and employee privacy?
(Points : 4)

Router

VPN server

ICMP monitor

Proxy server

Question 2.2.The Cisco PIX line of products is best described as which of the following? (Points : 4)

software firewall

PC with firewall installed

firewall appliance

VPN gateway
Question 3.3.Which of the following is a typical drawback of a free firewall program? (Points : 4)

cannot monitor traffic in real time

oversimplified configuration

have centralized management

more expensive than hardware firewalls

Question 4.4.Which of the following is an advantage of hardware firewalls? (Points : 4)

not scalable compared to software firewalls

not dependent on a conventional OS

less expensive than software firewalls

easy to patch
Question 5.5.What are the two standard ports used by FTP along with their function? (Points : 4)

UDP 23 control, TCP 20 data

UDP 20 data, TCP 21 control

TCP 21 control, TCP 20 data

TCP 23 data, TCP 21 control

Question 6.6.Which of the following is true about private IP addresses? (Points : 4)

they are assigned by the IANA

they are not routable on the Internet

they are targeted by attackers

NAT was designed to conserve them

Question 7.7.Which type of security device can speed up Web page retrieval and shield hosts on the internal network? (Points : 4)

caching firewall

proxy server

caching-only DNS server

DMZ intermediary
Question 8.8.Which of the following is true about a dual-homed host? (Points : 4)

serves as a single point of entry to the network

its main objective is to stop worms and viruses

uses a single NIC to manage two network connections

it is used as a remote access server in some configurations

Question 9.9.Which type of translation should you use if you need 50 computers in the corporate network to be able to access the Internet using a single public IP address? (Points : 4)

one-to-one NAT

port address translation

one-to-many NAT

DMZ proxy translation

Question 10.10.Which of the following is a disadvantage of using a proxy server? (Points : 4)

shields internal host IP addresses
slows Web page access

may require client configuration

can’t filter based on packet content

Question 11.11.Which of the following is a type of VPN connection? (Points : 4)

site-to-server

client-to-site

server-to-client

remote gateway

Question 12.12.Which of the following is NOT a factor a secure VPN design should address? (Points : 4)

Encryption

Authentication

Nonrepudiation

performance
Question 13.13.Which IPsec component authenticates TCP/IP packets to ensure data integrity? (Points : 4)

ESP

IKE

ISAKMP

Question 14.14.Which of the following is NOT an essential element of a VPN? (Points : 4)

VPN server

Tunnel

VPN client

authentication server

Question 15.15.Which of the following is NOT true about a hardware VPN? (Points : 4)

should be the first choice for fast-growing networks

can handle more traffic than software VPNs

have more security vulnerabilities than software VPNs

create a gateway-to-gateway VPN

Question 16.16.Which of the following is true about the Internet? (Points : 4)

it is the same as the World Wide Web

it was established in the mid-1960s

it was developed by a network of banks and businesses

it was originally built on an extended star topology
Question 17.17.Which of the following is a highly secure public facility in which backbones have interconnected data lines and routers that exchange routing and traffic data? (Points : 4)

ISP

POP

NAP

NSF

Question 18.18.What makes IP spoofing possible for computers on the Internet? (Points : 4)

network address translation

the lack of authentication

the 32-bit address space

the DNS hierarchy

Question 19.19.What type of attack displays false information masquerading as legitimate data? (Points : 4)

Java applet

Phishing

Buffer overflow

SQL injection

Question 20.20.Which of the following best describes ROI? (Points : 4)

the chance that a threat will result in lost money

how long before an investment will pay for itself

the cost of mitigating a threat
the benefits of setting security priorities

Question 21.21.What is considered the first step in formulating a security policy? (Points : 4)

risk analysis

elimination of threats

risk reduction

system monitoring

Question 22.22.Which of the following best describes a Monte Carlo simulation? (Points : 4)

a technique for simulating an attack on a system

a formula that estimates the cost of countermeasures

a procedural system that simulates a catastrophe

an analytical method that simulates a real-life system for risk analysis
Question 23.23.Which of the following is a security-related reason for monitoring and evaluating network traffic? (Points : 4)

to determine if your IDPS signatures are working well

to create substantial data to analyze

to optimize your router and switch protocols

to see how many files employees download form the Internet
Question 24.24.Which of the following is NOT typically an aspect of a security event management program? (Points : 4)

monitoring events

managing IDPS firmware

managing data from sensors

managing change

Question 25.25.What should an outside auditing firm be asked to sign before conducting a security audit? (Points : 4)

subpoena
nondisclosure agreement

search and seizure contract

social engineering covenant

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