WAN Q5

Which of the following is a algorithm that ensures unauthorized persons do not tamper with the transmitted messages?

A) 3DES
B) AES
C) RSA
D) MD5

For teleworkers, what type of connection should be used when mobile access during traveling is required and broadband options are unavailable?

A) DSL
B) dialup
C) satellite
D) residential cable

Match the description with the corresponding VPN characteristic.

Description:
ensures that the communicating peers are who they say they are
ensures that the data are not tampered while travelling between the source and destination
protects the contents of the message from eavesdroppings by unauthorised personnels

VPN Characteristics:
Data Integrity
Authentication
Data Confidentiality

What are the three main functions of a secure VPN? (Choose three.)

A) accounting
B) data confidentiality
C) authorization
D) data integrity
E) authentication
F) data availability

Which of the following are two characteristics of Asymmetric Encryption? (Choose two.)

A) Typically used in digital certification and key management
B) Uses different keys for encryption and decryption
C) Key length is fixed at 128-bits
D) Also called secret key encryption

Which of the following are two peer authentication methods used in VPN? (Choose two.)

A) RSA signature
B) AES
C) Secure Hash Algorithm 1 (SHA-1)
D) Pre-shared key (PSK)

Which of the following two statements are TRUE about Digital Subscriber Line (DSL)? (Choose two.)

A) DSL uses RF signal for transmission
B) Micro filters are used to separate ADSL from voice at the customer premises
C) Asymmetric DSL (ADSL) provides higher download bandwidth to the user than upload bandwidth.
D) DSL is available in any location that has a telephone
E) DSL provides high-speed connections over the same coaxial cable that delivers cable television.

Authentication Header (AH) provides the following:

A) Authentication and Integrity
B) Authentication only
C) Authentication and Confidentiality
D) Authentication, Confidentiality and Integrity

                                                      is used to connect to connect teleworker’s computer to the company’s network via the VPN tunnel across the Internet.

A) Remote-Access VPN
B) Remote-Site VPN
C) Site-to-Site VPN
D) Teleworker VPN

Which of the following is NOT a benefit of using VPN?

A) Scalability
B) Does not requires additional hardware or software
C) Cost-savings
D) Security