Security Test 3
Security+ Test 3
- 1.
Until the development of the World Wide Web and _____ the Internet was primarily used for transferring files from one device to another.
- A.
FTP
- B.
HTTP
- C.
HTML
- D.
NNTP
Correct Answer
B. HTTP -
- 2.
The main reason that tunneling is used today is to _____.
- A.
Allow networks based on different protocols to communicate
- B.
Provide high speed connections
- C.
Provide security
- D.
Reduce the number of protocols needed to communicate
Correct Answer
C. Provide security -
- 3.
George works for an ISP and needs to configure an NAS to support PPTP. What port does he need to open tunneling to function properly?
- A.
423
- B.
1024
- C.
1701
- D.
1723
Correct Answer
D. 1723 -
- 4.
Secure Sockets Layer (SSL)/Transport Layer Security (TLS) operate at the _____ layer.
- A.
Transport
- B.
Session
- C.
Application
- D.
Network
Correct Answer
B. Session -
- 5.
IPSec _____ mode encrypts only the data portion (payload) of each packet, yet leaves the header unencrypted.
- A.
Tunnel
- B.
Secure
- C.
Transport
- D.
Standard
Correct Answer
C. Transport -
- 6.
_____ makes it possible for almost any application running on virtually any computer platform to obtain directory information, such as e-mail addresses and keys.
- A.
X.500
- B.
DAP
- C.
DCE
- D.
LDAP
Correct Answer
D. LDAP -
- 7.
The _____ standard defines a LAN that provides cable-free data access at a rate up to 2 Mbps for clients that are either mobile or in a fixed
- A.
802.6
- B.
802.11
- C.
802.11b
- D.
802.15
Correct Answer
B. 802.11 -
- 8.
A security vulnerability of SSID _____ is that it also provides the SSID to unauthorized users who pick up the signal.
- A.
Broadcasting
- B.
Relaying
- C.
Beaconing
- D.
Flooding
Correct Answer
C. Beaconing -
- 9.
_____ is an optional configuration for WLANs that encrypts packets during transmission to prevent attackers from viewing their contents.
- A.
WEP
- B.
WTLS
- C.
WOL
- D.
WSecure
Correct Answer
A. WEP -
- 10.
_____ is the science of transforming information so that it is secure while it is being transmitted or stored.
- A.
Steganography
- B.
Cryptography
- C.
Encryption
- D.
Ciphering
Correct Answer
B. Cryptography -
- 11.
The process of encrypting and decrypting information is based on a mathematical procedure called a(n) _____.
- A.
Cipher
- B.
Key
- C.
Algorithm
- D.
Hash
Correct Answer
C. Algorithm -
- 12.
When only trusted users are provided with a cipher and a key to decrypt ciphertext _____ is achieved.
- A.
Confidentiality
- B.
Authentication
- C.
Integrity
- D.
Access control
Correct Answer
A. Confidentiality -
- 13.
_____ restricts availability to information.
- A.
Confidentiality
- B.
Integrity
- C.
Nonrepudiation
- D.
Access control
Correct Answer
D. Access control -
- 14.
Symmetric encryption is also called _____ key cryptography.
- A.
Private
- B.
Public
- C.
Unique
- D.
Session
Correct Answer
A. Private -
- 15.
DES encrypts 64-bit plaintext by executing the algorithm _____ times.
- A.
4
- B.
8
- C.
12
- D.
16
Correct Answer
D. 16 -
- 16.
How many key sizes does RC6 have?
- A.
1
- B.
2
- C.
3
- D.
4
Correct Answer
C. 3 -
- 17.
A _____ key is used in public key cryptography.
- A.
Public
- B.
Private
- C.
Secret
- D.
Both a and b
Correct Answer
D. Both a and b -
- 18.
The maximum length of a key in most versions of asymmetric algorithms is 16,638 bits, or _____ characters.
- A.
1280
- B.
1536
- C.
2080
- D.
3624
Correct Answer
C. 2080 -
- 19.
The _____ asymmetric algorithm is slower than all other algorithms.
- A.
RSA
- B.
Diffie-Hellman
- C.
Elliptic curve cryptography
- D.
DES
Correct Answer
A. RSA -
- 20.
A _____ is an encrypted hash of a message that is transmitted along with the message.
- A.
Message digest
- B.
Digital signature
- C.
Cipher
- D.
Hash algorithm
Correct Answer
B. Digital signature -
- 21.
EFS uses asymmetric cryptography and a per-_____ encryption key to encrypt and decrypt data.
- A.
User
- B.
Folder
- C.
Volume
- D.
File
Correct Answer
D. File -
- 22.
What is the name of the Windows 2003 Server command liine utility that can be used to encrypt and decrypt files?
- A.
EFS.exe
- B.
Cipher.exe
- C.
Crypto.exe
- D.
Secure.exe
Correct Answer
B. Cipher.exe -
- 23.
If Bob is using symmetric key encryption and wants to securely communicate with 20 other users, how many secret keys must he keep and manage?
- A.
1
- B.
5
- C.
10
- D.
20
Correct Answer
D. 20 -
- 24.
When using digital signatures, what key does the receiver use to decrypt the digital signature?
- A.
The sender’s private key
- B.
The sender’s public key
- C.
The receiver’s private key
- D.
The receiver’s public key
Correct Answer
B. The sender’s public key -
- 25.
Garret wants to check the certificate status for users on his network. Where should he access this information?
- A.
Certificate Directory
- B.
Restricted Certificate List
- C.
Certificate Repository
- D.
Certificate Revocation List
Correct Answer
C. Certificate Repository -
- 26.
Alice is concerned that her company’s employees are being victimized by man-in-the-middle attacks. What should she implement on the network to ensure that this won’t happen?
- A.
Digital signatures
- B.
Asymmetric cryptography
- C.
Digital certificates
- D.
Symmetric cryptography
Correct Answer
C. Digital certificates -
- 27.
Currently, PKCS is composed of _____ standards
- A.
10
- B.
12
- C.
14
- D.
15
Correct Answer
D. 15 -
- 28.
In the _____ trust model, the primary or root certificate authority issues and signs the certificates for CAs below it.
- A.
Hierarchical
- B.
Single-point
- C.
Third-party
- D.
Web of trust
Correct Answer
A. Hierarchical -
- 29.
David is notified that one of the senior employees at XYZ Corporation is taking a leave of absence for six months. What status should he set on this user’s certificate?
- A.
Revoked
- B.
Suspended
- C.
Expired
- D.
Destroyed
Correct Answer
B. Suspended -
- 30.
In key _____, the private key is actually split, and each half is encrypted.
- A.
Expiration
- B.
Recovery
- C.
Escrow
- D.
Renewal
Correct Answer
C. Escrow -
- 31.
Server certificates can be issued from a _____ server to ensure a secure transmission.
- A.
Web
- B.
FTP
- C.
Mail
- D.
All of the above
Correct Answer
D. All of the above -
- 32.
_______ is a client device in an IEEE 802.1x network that requires secure network access
- A.
Authentication Header
- B.
Basic Service Set
- C.
Initialization vector
- D.
Supplicant
Correct Answer
D. Supplicant -
- 33.
____ is a wireless LAN that uses a single access point to send signals to other wireless devices or to devices on the wired network
- A.
Authentication Header
- B.
Basic Service Set
- C.
Initialization vector
- D.
Supplicant
Correct Answer
B. Basic Service Set -
- 34.
____ is a 24-bit value used in wired equivalent privacy encryption
- A.
Authentication Header
- B.
Basic Service Set
- C.
Initialization vector
- D.
Supplicant
Correct Answer
C. Initialization vector -
- 35.
____ authenticates that packets received were sent from the source identified in the header of the packet.
- A.
Authentication Header
- B.
Basic Service Set
- C.
Initialization vector
- D.
Supplicant
Correct Answer
A. Authentication Header -
- 36.
___ is a hash algorithm that creates a hash value 160 bits in length instead of 128 bits
- A.
AES
- B.
RSA
- C.
Blowfish
- D.
Secure Hash Algorithm
Correct Answer
D. Secure Hash Algorithm -
- 37.
____ is an asymmetric algorithm published in 1977 and patented by MIT in 1983
- A.
AES
- B.
RSA
- C.
Blowfish
- D.
Secure Hash Algorithm
Correct Answer
B. RSA -
- 38.
____ is a symmetric cipher that was approved in late 2000 as a replacement for DES
- A.
AES
- B.
RSA
- C.
Blowfish
- D.
Secure Hash Algorithm
Correct Answer
A. AES -
- 39.
____ is the process of managing keys by a third-party entity
- A.
Key escrow
- B.
Public Key Cryptography Standards
- C.
Registration Authority
- D.
Trust models
Correct Answer
A. Key escrow -
- 40.
____ is a numbered set of PKI standards defined by the RSA Corporation
- A.
Key escrow
- B.
Public Key Cryptography Standards
- C.
Registration Authority
- D.
Trust models
Correct Answer
B. Public Key Cryptography Standards -
- 41.
Until the development of the World Wide Web and HyperText Transfer Protocol (HTTP), the Internet was primarily used for transferring files from one device to another.
- A.
TRUE
- B.
FALSE
Correct Answer
A. TRUE -
- 42.
PPTP is software that works with a computers network interface card (NIC) to simulate a dial-up session and can assign IP addresses as necessary.
- A.
TRUE
- B.
FALSE
Correct Answer
B. FALSE -
- 43.
The RADIUS architecture allows administrators to create a centralized database of login information.
- A.
TRUE
- B.
FALSE
Correct Answer
A. TRUE -
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Current Version
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Dec 14, 2012Quiz Edited by
ProProfs Editorial Team -
Nov 16, 2008Quiz Created by
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