CH 2

What is the Network Layer of the OSI Reference Model Responsible for --Physical Layer connectivity --Routing and delivery of IP packets --Formatting the data --Physical framing --None of the above

Formatting the Data

The most common type of ICMP message is ____

ping

What is another way used to describe Ethernet? --Collision detection --Sends traffic to all nodes on a hub --CSMA/CD --All of the above

All of the Above

Which of the following best describes the role of IP --Guaranteed delivery --Best effort at delivery --Establishes sessions by means of a handshake process --Is considered an OSI layer 2 protocol

Best effort at delivery

Botnets are used to bypass the functionality of a switch. --True --False

False

Which of the following makes UDP harder to scan for? --Low Overhead --Lack of startup and shutdown --Speed --Versatility

Lack of startup and shutdown

Which of the following best describes how ICMP is used --packet delivery --error detection and correction --Logical errors and diagnostics --IP packet delivery

Logical errors and diagnostics

What is a security vulnerability found in RIP --Slow convergence --Travels only 56 hops --no Authentication --Distance vector

No authentication

Which of the following statements most closely express the difference in routing and routable protocols --IP is a routing protocol, whereas RIP is a routable protocol --OSPF is a routing protocol, whereas IP is a routable protocol --BGP is used as a routable protocol, whereas RIP is a routing protocol --Routable protocols are used to define the best path form point A to point B, while routing protocols are used to transport the data

OSPF is a routing protocol, wherea IP is a routable protocol

Which of the following is not an attribute of OSPF: --Security --The use of IP multicasts to send out router updates --no limitation for hop count --Subject to route poisioning

Subject to route poisoning