Chapter 6: Networking Fundamentals

Which of the following statements are not associated with a star network? (Choose all that apply.) A. A single cable break can cause complete network disruption B. All devices connect to a central device C. It uses a single backbone computer to connect all network devices. D. It uses a dual-ring configuration

- A single cable break can cause complete network disruption - It uses a single backbone computer to connect all network devices - It uses a dual-ring configuration

Which of the following devices work with MAC addresses to determine what to do with network traffic? (Choose 2.) A. Hub B. Router C. Bridge D. Switch

- Router - Switch

Which Ethernet specification would you be running if you needed to make a connection of 10 Gbps over a distance of 5km? A. 10GBaseER B. 10GBaseT C. 10GBaseSR D. 10GBaseLR

10GBaseER

You have been asked to configure a full mesh network with seven computers. How many connections will this require? A. 6 B. 7 C. 21 D. 42

21 (x * (x-1)) / 2

Transmitting at 10 Gbps, how far can signals on an MFF cable travel? A. 100 meters B. 500 meters C. 1 kilometer D. 40 kilometers

500 meters Multimode fiber (MMF) can transmit up to 550 meters, depending on the Ethernet specification.

Which of the following is a type of connector used with coaxial cable? A. RG-6 B. RG-59 C. BNC D. SC

BNC

Which of the following wireless communication standards is often described in terms of wireless personal area network? A. Bluetooth B. Infrared C. Cellular D. Ethernet

Bluetooth

What is the lowest grade of UTP that is rated for 100 Mbps transmission? A. CAT-5 B. CAT-5e C. CAT-6 D. CAT-6a

CAT-5

__________________ is the type of media access method used by NICs that listen to or sense the cable to check for traffic and send only when they hear that no one else is transmitting. A. Token passing B. CSMA/CD C. CSMA/CA D. Demand priority

CSMA/CD Carries Sense Multiple Access with Collision Detection - specifies that the NIC pause before transmitting a packet to ensure that the line is not being used.

You are installing a network at a friend's house, and it's impossible to run a network cable from one point in the house to another. He does not want to use wireless networking. Which of the following is the best option to get network connectivity between the two points? A. Power over Ethernet adapter B. Power over Ethernet switch C. Ethernet over Power D. Bridge

Ethernet over Power

Of all the network cabling options, _____________ offers the longest possible segment length. A. Unshielded twisted-pair B. Coaxial C. Fiber-optic D. Shielded twisted-pair

Fiber-optic

_____________ is immune to electromagnetic or radio-frequency interference. A. Twisted-pair cabling B. CSMA/CD C. Broadband coaxial cabling D. Fiber-optic cabling

Fiber-optic cabling

What type of device will block unwanted traffic from your network using a set of rules called an ACL? A. Router B. Firewall C.Bridge D. NAS

Firewall

A physical star topology consists of several workstations that branch off a central device called a ____________. A. NIC B, Bridge C. Router D. Hub

Hub

Which of the following connector types is an MFF connector? A. BNC B. ST C. SC D. LC

LC The local connector (LC) is a mini form factor (MFF) fiber-optic connector developed by Lucent Technologies.

Which of the following networking hardware devices is capable of creating VLANs? A. Firewall B. Repeater C. Unmanaged switch D. Managed switch

Managed switch

If you are going to run a network cable in the space above the drop ceiling in your office, which type of cable should you use? A. Plenum B. PVC C. Coaxial D. Fiber-option

Plenum

Which type coaxial cable is recommended for digital television cable signals? A. RG-6 B. RG-8 C. RG-58 D. RG-59

RG-6

What devices transfer packets across multiple networks and use tables to store network addresses to determine the best destination? A. Routers B. Bridges C. Hubs D. Switches

Routers

You need to put a connector on the end of an Ethernet crossover cable. The existing end has a while and green colored wire at pin 1. What color do you need to make pin 1 on the new end? A. White/green B. Green C. White/orange D. Orange

White/orange A crossover cable will flip pins 1 and 3 on each end.