MOD1 Exam

Question 1

What services do a WAP often Include? (Choose All that Apply)

VPN
DHCP
Firewall
NAT
Router

Answer 1

DHCP
Firewall
NAT
Router

WAP includes basic Routing Capabilities, Network Address Translation (NAT), Dynamic Host Configuration Protocol (DHCP), and a Firewall.

Question 2

Which organization creates standards known as RFCs?

Answer 2

Internet Engineering Task Force (IETF)

IETF defines an open process for RFC proposals to become approved standard (STD) specifications.

Question 3

What should be enabled on a Computer with a direct connection to the Internet?

Firewall
VPN
Router
Switch

Answer 3

Firewall

Firewall provides a layer of security for any ccomputer that has a direct connection to the Internet.
Firewall is Optional Hardware/Software which should be enabled for Security Reasons.

Switches connect computers to LANs
Routers interconnect LANs or (Subnets)
VPNs provide private network access over public networks.

Question 4

A group of computer workstations connected by a switch in a single geographic location is a _____?

LAN
WAN
Corporate Intranet
VPN

Answer 4

LAN

Question 5

Why might it be advantageous to use a Windows Domain?

Answer 5

Single Sign On (SSO)

There are Several Answers possible.

Question 6

A large enterprise includes office in different geographic locations Each of these offices is connected to the main office. What is the configuration called?

WAN
Domain
Workgroup
LAN

Answer 6

WAN

Wide Area Network (WAN) connects multiple LANs in different locations.
Local Area Network (LAN) is located in a single location.
Workgroups and Domains affect how user accounts are created and how many accounts are needed, but they do not affect connectivity of different locations.

Question 7

You have promoted a server in your network to create a Windows domain. This server is called a ______?

Answer 7

Domain Controller

And it will host a copy of Active Directory.

Question 8

When an employee is able to securely connect to their employer’s private network resources over a hotel’s public Internet access, the employee is probably making use of what technology?

Windows Active Directory
LAN
VPN
WAN

Answer 8

VPN

Virtual Private Network (VPN) allows private connectivity over a public network.
Active Directory is the structure used by Windows Domains.
LANs and WANs do not provide any security per say… even though the employees data traffic may cross one or more LANs and WANs.

Question 9

A network is connected using high-speed components rated at 100 megabits per second. How is this identified?

100 MBps
.1 GBps
100 Mbps
100 MHz

Answer 9

100 Mbps

Lower case b is Bits
Upper case B is Bytes

Question 10

Which organization defines standards for Ethernet and Wireless Networks?

Answer 10

IEEE 802.11

Institute of Electrical and Electronics Engineers (IEEE) is responsible for Ethernet and Wireless standards such as 802.11.

Question 11

When referring to a Demilitarized Zone (DMZ), Microsoft typically uses the term __________ Network?

Answer 11

Perimeter Network

Question 12

What type of traffic goes from one computer to one other computer in a network?

None of These
Unicast
Broadcast
Multicast

Answer 12

Unicast

Unicast goes from 1 Device to another 1 Device.
Multicast goes from one device to MANY devices.
Broadcast Traffic is sent from one device to ALL OTHER devices in a Subnet.

Question 13

A switch creates separate broadcast domains?

True
False

Answer 13

False

A Switch creates separate collision domains.
A router creates separate broadcast domains.

Question 14

What defines the rules that computers and other devices use to communicate with each other on networks?

Services
Protocols
None of these
Optical Media

Answer 14

Protocols

Protocols provide the rules that computers and other devices use to communicate with other networks.

Question 15

What is the difference between a switch and a router?

A Switch connects Subnets together and a Router connects devices together.
Switches do not pass broadcast traffic, but Routers do.
Nothing they are two names for the same device.
A Router connects Subnets together and a Switch connect devices together.

Answer 15

A Router connects Subnets together and a Switch connects devices together.

Switches connect devices together, while Routers connect subnets (LANs) together.
Switches pass broadcast traffic, Routers do Not.

Question 16

What is the Primary purpose of a Firewall?

Filter OUT Unwanted Traffic
Filter Multicast Traffic
Filter Broadcast Traffic
Filter Unicast Traffic

Answer 16

Filter OUT Unwanted Traffic

A Firewall filters OUT unwanted or malicious traffic using inbound and outbound RULES.
While it can filter broadcast, unicast, and multicast traffic, this is not the primary purpose.

Question 17

What is the most common type of network media used to transmit data between computers in a LAN?

Answer 17

Twisted Pair

Twisted Pair is the most common type of LAN Media.
Fiber-Optic and Wireless Connections are also used.

Question 18

What type of traffic always goes to all devices in a LAN Subnet?

Unicast
Broadcast
Allcast
Multicast

Answer 18

Broadcast

Broadcast traffic goes from one device to all other devices in a Subnet.
Unicast traffic goes from one device to another specific device.
Multicast traffic goes from one device to many devices, but not necessarily all devices.

Question 19

Which of the following standards define how Twisted Pair Ethernet cables should be wired?

RFC 791
OSI Model
TIA T568B
IEEE 802.11

Answer 19

TIA T568B

TIA defines telecommunications wiring; Ethernet wiring follows either the TIA T568A or TIA T568B Standard.

Question 20

A Crossover Cable is used to connect?

Two Desktops or Two Switches together.
A Desktop to a Switch

Answer 20

Two Desktops or Two Switches together.

Crossover cables connect similar devices together such as Switches and Routers or Routers and Cable Modems. Although modern Switches and Routers include auto-sensing, negating the need for a Crossover Cable, Switches don’t have this capability.

Question 21

What is a unit of data called at Layer 2, the Data-Link Layer?

Protocol Data Unit (PDU)
Packet
Frame
Segment

Answer 21

Frame

Question 22

In which layer of the OSI Model does a Router Operate?

Layer 1
Layer 5
Layer 3
Layer 6
Layer 7
Layer 2
Layer 4

Answer 22

Layer 3

Routers understand IP (Netwok) Addresses, and so they operate on Layer 3.

Question 23

What is a unit of data called at the Network Layer?

Packet
Protocol Data Unit (PDU)
Segment
Frame

Answer 23

Packet

A unit of data is called a Packet at the Network Layer 3.

Question 24

In the Transport Layer (Layer 4) what is a Unit of Data Called?

Packet
Protocol Data Unit (PDU)
Frame
Segment

Answer 24

Segment

A unit of data is called a Segment at the Transport Layer 4.

Question 25

At what layer of the OSI Model do Switches Operate?

Layer 1
Layer 3
Layer 4
Layer 5
Layer 7
Layer 2
Layer 6

Answer 25

Layer 2 - Data Link Layer

Question 26

List the Layers of the OSI Model with their name and Number?

Answer 26

Application 7
Presentation 6
Session 5
Transport 4
Network 3
Data Link 2
Physical 1

ALL PEOPLE SEEM TO NEED DATA PROTECTION

Question 27

The OSI Model has 4 Layers, and the TCP/IP Model has 7 Layers?

True
False

Answer 27

False

OSI Model has 7 Layers, and the TCP/IP Model has 4 Layers.

Question 28

UDP is known as a best-effort protocol?

True
False

Answer 28

True

UDP is known as best-effort protocol and is Connection-Less.

Question 29

At which layer of the OSI Model do NICs Operate?

Layer 7
Layer 3
Layer 5
Layer 2
Layer 4
Layer 1
Layer 6

Answer 29

Layer 2

NICs operate at the Data Link Layer, Layer 2 because they Understand Frames and MAC Addresses.

Question 30

DNS Operates on the ______ Layer of the OSI Model?

Layer 7
Layer 3
Layer 2
Layer 4
Layer 1
Layer 5
Layer 6

Answer 30

Layer 7

Domain Name Services is an Application Layer service - Layer 7.