SA1-4

Question 1

frame-relay is a layer 2 protocol that uses … to identify permanent virtual circuits.

Answer 1

DLCI

Question 2

is a high-speed always-on connection technology that uses a DOCSIS technology from the cable company to provide IP services to users.

Answer 2

cable internet

Question 3

çustomers connects to two different internet providers. This design provides increased redundancy and enables load-balancing. What type of connectivity connection does it characterize?

Answer 3

multihomed

Question 4

wide area networks (WAN) operates on these two layes of the OSI model.

Answer 4

physical layer and data link

Question 5

a layer 2 protocol that was connectivity used by telco to provide router-to-router and host-to-network connections over analog and digital access networks

Answer 5

PPP

Question 6

Which of the following is not part of the group

Answer 6

Confidentiality

Question 7

is a Virtual Private Network Security used to encrypt and decrypt the shared keys over the unsecured communication level

Answer 7

DH

Question 8

Is a data integrity algorithm that guarantees message integrity using a hash value

Answer 8

Hashed Message Authentication Code (HMAC)

Question 9

Origin authentication uses the Internet Key Exchange (IKE) protocol to authenticate source and destination

Answer 9

True

Question 10

Usernames and passwords are examples of

Answer 10

Authentication

Question 11

Is based on explicit signaling and managing/reserving network resources for the applications that need it and demand it.

Answer 11

IntServ