Network+ Guide to Networks - sixth edition (chapter 4 - 6 TEST review)

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review questions that overview what will be on the test. ;)

____ hold tables of network addresses to determine where to forward packets.

Routers

Traditional switches operate at the ____ layer of the OSI model.

Data link

To eliminate the possibility of a broadcast storm, switches and bridges implement the ____.

STP (Spanning Tree Protocol)

Switches can create ____ by grouping a number of ports into a broadcast domain

VLANs

Repeaters operate in the ____ layer of the OSI model.

Physical

In general, a steady or blinking green LED, sometimes labeled ____, indicates that the NIC is functional and has a connection to the network.

LNK

ach time a computer starts up, the device drivers for all its connected peripherals are loaded into ____.

RAM

Cut-through switches can detect corrupt packets.

False

By far, the most popular expansion board NIC today is one that uses a(n) ____ bus.

PCIe

A hardware component that can be changed without disrupting operations is known as ____.

hot-swappable

A ____ is a multiport connectivity device that directs packets between networks.

router

Works by examining the destination MAC address in a frame.

switch

Without ____, a bus network would suffer from signal bounce.

terminators

The most popular method for connecting nodes on a LAN is circuit switching.

False

The Ethernet II frame type contains a 2-byte ____ field that differentiates it from other Ethernet frame types.

type

On an Ethernet network, a(n) ____ is the portion of a network in which collisions occur if two or more nodes transmit data at the same time.

collision domain

Modern Ethernet networks are based on the star topology.

True

In a ring network, each workstation acts as a(n) ____ for the transmission.

repeater

Ethernet networks use an access method called ____.

CSMA/CD

A network's access method is its method of controlling how network nodes access the communications channel.

True

A combination of topologies is known as a ____ topology.

hybrid

A ____ occurs when two transmissions interfere with each other on a bus-based Ethernet network.

collision

1000Base-SX has a maximum throughput of ____.

1 Gbps

____ operates at the Network layer and manages multicasting.

IGMP

Which of the following is a more efficient Transport layer protocol than TCP for carrying messages that fit within one data packet?

UDP

____ is a terminal emulation protocol used to log on to remote hosts using the TCP/IP protocol suite.

Telnet

Which of the following is a simple Application layer protocol used to synchronize the clocks of computers on a network?

NTP

Which of the following best describes TCP?

connection-oriented

In the TCP/IP protocol suite, which of the following is the core protocol responsible for logical addressing?

IP

In IPv4 addressing, an IP address whose first octet is in the range of 192-223 belongs to a Class ____ network.

C

If your network does not need or use APIPA, it must be uninstalled to avoid conflicts.

False

If the standard port number for the Telnet service is 23, the socket address for Telnet on a host whose IPv4 address is 10.43.3.87 is expressed in which of the following formats?

10.43.3.87:23

All protocols are routable

False

A(n) ____ number is the address on a host where an application makes itself available to incoming or outgoing data.

port

A(n) IPv6 ____ address represents any one interface from a group of interfaces, any one of which can accept a transmission.

anycast

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