Module 4 - 1D7XX RF Transmission

Question 1

What is a private TCP/IP network scaled down for a specific group of users to share information internally?

Accepted Answer

Intranet

Question 2

CSMA/CD rules govern how network devices access what?

Accepted Answer

Network media.

Question 3

In which topology are all devices connected by one cable, requiring terminating resistors at both ends?

Accepted Answer

Bus

Question 4

What type of network is the largest WAN and provides a way for people worldwide to share information?

Accepted Answer

Internet

Question 5

Which protocol uses port 23 to allow remote login to UNIX/Linux hosts?

Accepted Answer

Telnet

Question 6

Which TCP/IP model layer corresponds to the Physical and Data Link layers of the OSI model?

Accepted Answer

Link/Network Interface Layer

Question 7

What is a Layer 2 device that can make forwarding or filtering decisions based on MAC addresses?

Accepted Answer

Bridge

Question 8

In a network, what is a computer that shares and manages network resources?

Accepted Answer

Server

Question 9

Which OSI layer defines rules for gathering data frame elements and passing to the Physical layer?

Accepted Answer

Data Link Layer

Question 10

Which protocol uses port 22 to securely transfer files with encryption?

Accepted Answer

SCP

Question 11

What type of network media utilizes RF or infrared devices to transmit and receive data without wires?

Accepted Answer

Wireless media

Question 12

Which protocol uses ports 67 and 68 to assign IP addresses automatically?

Accepted Answer

DHCP

Question 13

What portion of the IP address defines a specific machine in a subnet?

Accepted Answer

Host ID

Question 14

What address sends messages to all nodes on a network segment?

Accepted Answer

Broadcast Address

Question 15

What model was created by the ISO to standardize common language for hardware/software?

Accepted Answer

OSI Reference Model

Question 16

Which Data Link sublayer is responsible for addressing devices using the physical address (MAC Address)?

Accepted Answer

MAC

Question 17

Which protocol uses port 22 and is a secure replacement for Telnet?

Accepted Answer

SSH

Question 18

Which Transport layer protocol is connectionless and does not guarantee data delivery?

Accepted Answer

UDP

Question 19

What are sets of rules that govern procedures used to exchange information between devices?

Accepted Answer

Protocols

Question 20

Which Transport layer protocol is connection-oriented and guarantees data delivery?

Accepted Answer

TCP

Question 21

Which TCP/IP model layer corresponds to the Network layer of the OSI model?

Accepted Answer

Internet Layer

Question 22

Which OSI layer manages and terminates sessions between programs on devices?

Accepted Answer

Session Layer

Question 23

In which topology is every computer system connected in a complete loop, controlling access by passing a token?

Accepted Answer

Ring

Question 24

What is the most commonly used media in modern IP Ethernet networks, consisting of eight insulated copper wires?

Accepted Answer

Twisted Pair cable

Question 25

What value is used in TCP/IP settings to divide the IP address into a network ID and a host ID?

Accepted Answer

Subnet Mask

Question 26

What are the specific numbers used by servers to determine the specific protocol being used?

Accepted Answer

Port Numbers

Question 27

What is the enhanced version of IPv4 that is a 128-bit address displayed in hexadecimal format?

Accepted Answer

IPv6

Question 28

What is the shorthand way for people to discuss, identify, and configure binary IP addresses?

Accepted Answer

Dotted decimal notation

Question 29

What is a circuit card inside a network-capable device that enables a computer to access a network?

Accepted Answer

Network Interface Card (NIC)

Question 30

Which protocol uses port 53 to map computer names to IP addresses?

Accepted Answer

DNS

Question 31

What is a private network accessible to select outside users, often via a VPN?

Accepted Answer

Extranet

Question 32

Which OSI layer represents network-related program code and functions needed to initiate or service requests?

Accepted Answer

Application Layer

Question 33

Which protocol uses port 21 to transfer files between clients and servers?

Accepted Answer

FTP

Question 34

In which topology are all end devices connected to a single infrastructure device like a hub or switch?

Accepted Answer

Star

Question 35

What is a more intelligent Layer 2 device with many ports that supports full-duplex data transfer?

Accepted Answer

Switch

Question 36

Which OSI layer handles routing and logical addressing?

Accepted Answer

Network Layer

Question 37

Which OSI layer manages and translates between the Session and Application Layers, including encryption?

Accepted Answer

Presentation Layer

Question 38

Which topology connects each node with multiple links to other devices, providing redundancy?

Accepted Answer

Mesh

Question 39

What is the actual path over which a signal travels from one component to another?

Accepted Answer

Network Media

Question 40

What describes how devices on a network link to each other physically and logically?

Accepted Answer

Network Topology

Question 41

What is a special networking address reserved for sending messages to all nodes on a network segment?

Accepted Answer

Broadcast Address

Question 42

What is a type of subnetting represented by "/x" at the end of an IP address?

Accepted Answer

CIDR

Question 43

What are two common Transport layer protocols?

Accepted Answer

TCP and UDP

Question 44

What type of network media transmits data using light instead of electricity?

Accepted Answer

Optical Fiber

Question 45

Which OSI layer is responsible for breaking data into smaller chunks (fragmentation) and reassembling them?

Accepted Answer

Transport Layer

Question 46

The Data Link layer is divided into which two sublayers?

Accepted Answer

LLC and MAC

Question 47

Which TCP/IP model layer corresponds to the Transport and Session layers of the OSI model?

Accepted Answer

Transport Layer

Question 48

What are the two types of twisted pair media?

Accepted Answer

Shielded and Unshielded

Question 49

Which Data Link sublayer is responsible for error-correction and flow-control?

Accepted Answer

LLC

Question 50

What area does a Local Area Network (LAN) cover?

Accepted Answer

A small area like a building or small group of computers.

Question 51

Which TCP/IP model layer combines the functions of the top three OSI layers (Application, Presentation, Session)?

Accepted Answer

Application Layer

Question 52

What type of cable consists of a center conductor surrounded by insulation and a concentric outer conductor?

Accepted Answer

Coaxial

Question 53

What is the 32-bit binary value protocol widely used in packet switched networks like Ethernet?

Accepted Answer

IPv4

Question 54

What is a Layer 1 device that repeats the frame down every network cable connected to it?

Accepted Answer

Hub

Question 55

What part of the IP address differentiates networks from one another?

Accepted Answer

Network ID

Question 56

How are the four groups of eight bits in an IPv4 address referred to?

Accepted Answer

Octets

Module 4 - 1D7XX RF Transmission

Questions 56

Module 4 - 1D7XX RF Transmission

Questions 56