Deck 6: Understanding Internet Technologies and Security

Question 1

Network firewalls can monitor and report suspicious network traffic, but are unable to filter out or block incoming or outgoing network traffic.

Answer 1

False

Question 2

War driving a website occurs when hackers redirect a URL to an alternate website.

Answer 2

False

Question 3

Public peering involves exchanging Internet traffic at a public connection, such as an IXP.

Answer 3

True

Question 4

How an organization deals with a natural or man-made disaster to ensure the organization's viability is covered by their disaster recovery plan.

Question 5

A virtual conversation is a virtual meeting conducted using a browser and the web.

Question 6

The tracert utility can test the path to a destination Internet site and see if any problems exist with making a connection at a particular point along the route.

Question 7

Most virus protection software programs perform automatic virus definition updates through downloads over the Internet.

Question 8

At the top of the DNS hierarchy are the DNS authoritative servers that publish a directory of the root zone file.

Question 9

A smart card, a plastic card the size of a credit card, contains memory chips that can store special access codes or biometric information.

Question 10

Twisted-pair cable, which contains glass fibers surrounded by a layer of glass cladding and a protective outer jacket, is used to carry voice, video, and data transmissions over very long distances.

Question 11

A physical topology is a network's access method in the way in which data travels between nodes.

Question 12

A distributed denial of service (DDos) involves sending a continuous stream of server requests that ultimately overload a server's capacity to respond.

Question 13

Spoofing is the act of driving around with a laptop, antenna, and wireless card, looking for unsecured wireless networks to access.

Question 14

A token ring is a program that appears to do something useful or fun, but actually does something destructive, including destroying files, creating a way for a hacker to breach network security, and stealing passwords.

Question 15

A proxy server compares information contained in an IP packet header, such as a packet's source and destination IP addresses, with a set of predetermined filtering rules.

Question 16

A hacker can create a rogue WLAN by installing a wireless router that uses network resources and exposes the network to security threats.

Question 17

Businesses should test data storage procedures periodically to ensure that backed up data is correct and complete, and that the storage media or cloud-based storage service works properly.

Question 18

A peer-to-peer LAN consists of a small number of computers and devices (generally 10 or fewer) linked together.

Question 19

A transceiver is a single component that both sends and receives transmissions.

Question 20

Geosocial networking is a term used to describe the combination of location-based services with social networking providers.

Question 21

A security audit may result in a revision of security policies and procedures, improved employee training, and making necessary updates to the network's hardware and software.

Question 22

A ____ topology connects each node to a central device, such as a hub or switch.

A) bus
B) triangle
C) star
D) ring

Question 23

The two most common network access methods are ____ and token ring.

A) Ethernet
B) bus
C) star
D) peer-to-peer

Question 24

A network's ____ is the arrangement of computers and mobile devices, printers, and other devices.

A) access method
B) physical topology
C) logical topology
D) throughput

Question 25

A client/server LAN, as shown in the accompanying figure, uses a network ____ to manage data storage, printer access, communications, Internet connections, security, and network administration.

A) bus
B) host
C) card
D) operating system

Question 26

Cloud computing involves using devices to measure biological data to identify a user.
________________________

Question 27

Data restore procedures should be tested periodically to ensure that the backed up data is correct and complete, and that the storage media or cloud-based storage service works properly.

Question 28

A network supporting users in a small geographical area, such as a home, an office, a single building, or several buildings, is called a ____.

A) LAN
B) MAN
C) WAN
D) TAN

Question 29

A(n) ____ cannot determine how to direct a packet; it simply sends the same signal to all of its connected nodes or segments.

A) bridge
B) intelligent hub
C) data switch
D) passive hub

Question 30

Personal VPNs exist wherein mobile or wireless users can establish a private, secure network connection.

Question 31

External network security threats can include management failure to support organization-wide security awareness, inadequate security policies, and unenforced security procedures.
_______________________

Question 32

The primary tools used to provide transaction authentication, integrity, nonrepudiation, and confidentiality are encryption and dynamic routing.

Question 33

A hardware device or software connecting two or more networks or network segments that use different packet formatting, different communication protocols, and different access methods is called a ____.

A) gateway
B) router
C) hub
D) data switch

Question 34

A credit card is a plastic card containing memory chips that can store special access codes or biometric information.
______________________

Question 35

Modified True/False
Linux®, Novell® NetWare®, and UNIX® are all examples of network operating systems .
______________________

Question 36

An example of a short-range RF technology that sends and receives wireless transmissions between devices such as computers, smartphones, tablets, and headsets is ____.

A) geosocial networking
B) IP telephony
C) Bluetooth
D) encryption

Question 37

A(n) ____ is a specialized computer that can connect LAN segments, two LANs, or multiple LANs on a WAN - all transmitting at different speeds and using different protocols.

A) data switch
B) intelligent hub
C) router
D) segment

Question 38

As shown in the accompanying figure, ____ cable is commonly used in LAN transmissions because it is easier to install than other types of cable and can handle the faster transmissions speeds required by modern networks.

A) twisted-pair
B) coaxial
C) fiber-optic
D) microwave

Question 39

A private key infrastructure is the combination of organizations or individuals sending and receiving encrypted data, their public and private keys, and the certification authorities that issue the keys and digital certificates.

Question 40

LAN jacking is a process that encapsulates one protocol inside another protocol.

Question 41

At the top of the DNS server hierarchy are the ____ servers that publish a directory of the next level of DNS servers.

A) local caching
B) authoritative
C) root name
D) namespace

Question 42

A(n)____ attack involves sending a continuous stream of server requests that ultimately overloads a server's capacity to respond.

A) DDoS
B) MDoS
C) SSoS
D) PPoS

Question 43

____ provide the public and private network infrastructure for the Internet that enables wireless, cellular, and other capabilities.

A) ISPs
B) MAEs
C) NSPs
D) NAPs

Question 44

Originally, a classful routing system assigned IP addresses by classifying networks as ____ to maximize the number of available IP addresses for each network.

A) Class 1 through Class 6
B) Class 1 through Class 10
C) Class A through Class E
D) Class A through Class J

Question 45

The ____ System is a navigation system that consists of one or more Earth-based receivers, such as those shown in the accompanying figure, that accept and analyze signals sent by small satellites orbiting approximately 11,000 miles above Earth.

A) Microwave Listening
B) Global Positioning
C) Wireless Registration
D) Text Messaging

Question 46

Each octet in an IPv6 IP address is separated by a ____.

A) colon
B) comma
C) period
D) semicolon

Question 47

____ network is another name for a network running TCP/IP.

A) HTTP
B) TCP
C) UDP
D) IP

Question 48

The current IP standard lengthens IP addresses from ____.

A) 16 bits to 32 bits
B) 32 bits to 128 bits
C) 64 bits to 128 bits
D) 128 bits to 256 bits

Question 49

An IPv6 address includes ____ 8-bit numbers.

A) six
B) eight
C) nine
D) ten

Question 50

____ involves using devices, such as the one shown in the accompanying figure, to measure biological data to identify a user.

A) Biometrics
B) Biographies
C) Biosystems
D) Bioexercises

Question 51

____ often exploit well-known security vulnerabilities in popular software to spread destructive programs such as viruses, worms, and Trojan horses.

A) Maskers
B) Hackers
C) Stoppers
D) Networkers

Question 52

Google Drive and Microsoft One Drive are examples of ____ services.

A) storm
B) smart
C) cloud
D) sun

Question 53

____ networks allow voice, data, and video to be delivered simultaneously across the same network using a combination of computers and devices, telephones, and television.

A) Imminent
B) Duplicate
C) Converged
D) Hosted

Question 54

A(n) ____ meeting allows collaboration between participants, such as a group of employees, over a network.

A) in office
B) virtual
C) realworld
D) biometric

Question 55

A special kind of virus that spreads across a network, such as the Internet, by replicating itself is called a computer ____.

A) Trojan horse
B) worm
C) hoax
D) payload

Question 56

The process of resolving a domain name to an IP address begins with a(n) ____ server.

A) authoritative
B) local caching
C) mail
D) root name

Question 57

____ business services typically include a PBX (private branch exchange) switching service that manages incoming and outgoing calls and calls between extensions.

A) PSTN
B) VoIP
C) HTML
D) NSP

Question 58

____ involves real-time transmission of video and audio between two locations.

A) Video conferencing
B) Interactive television
C) Internet telephony
D) TV Internet service

Question 59

A ____ service is a wireless service offered to customers based on their physical location.

A) Location-based
B) GPS-based
C) Wireless-based
D) Web-based

Question 60

The ____ allows private companies to handle the registration of domain names.

A) Shared Registration System
B) Alternative Root System
C) IP Registration System
D) Accredited Registration System

Question 61

Modified Multiple Choice
Which of the following are components of the TCP/IP stack set of standard Internet protocols on which communications across the Internet and many private IP networks rely?

A) TCP
B) IP
C) HTTP
D) FTP

Question 62

A(n) ____ server is a computer or software application that hides an internal IP address from the outside world by substituting its own IP address for a source computer's IP address before sending outgoing email or webpage requests.

A) proxy
B) mail
C) HTTP
D) FTP

Question 63

Modified Multiple Choice
Internet telephony is also called _____.

A) VPN telephony
B) IP telephony
C) VoIP
D) teleconferencing

Question 64

Each computer or other device on a LAN is called a(n) _________________________.

Question 65

A(n) ____ is the combination of organizations or individuals sending and receiving encrypted data, their public and private keys, and the CAs that issue the keys and digital certificates.

A) private peering agreement
B) VPN
C) public key infrastructure
D) NSP

Question 66

The ability of a(n) _________________________ LAN to support shared data storage, provide network maintenance tools, and promote more efficient data backups offers advantages over a peer-to-peer LAN.

Question 67

A network's _________________________ method specifies how data travels from node to node across the network.

Question 68

A(n) ____ private network uses tunneling to hide encrypted data, IP addresses, and a tunneling protocol inside IP packets routed over the public network using the IP protocol.

A) tunneling
B) virtual
C) packet-filtering
D) IP

Question 69

When an organization wants to use encryption, it requests a set of associated public and private keys from a ____.

A) proxy server
B) network administrator
C) network firewall
D) certification authority

Question 70

An organization may outgrow a(n) _________________________ LAN quickly, as more computers and devices need to be added or file- and device-sharing becomes more complex.

Question 71

Virus protection ____ and apps require continual updates with information on recently discovered viruses.

A) manuals
B) presentations
C) software
D) hardware

Question 72

A network ____ is a combination of hardware and software that filters traffic between private networks or between a private network and a public network, such as the Internet.

A) cable
B) firewall
C) hub
D) data switch

Question 73

False warnings about viruses are called virus ____.

A) stories
B) myths
C) hoaxes
D) ports

Question 74

Modified Multiple Choice
Which of the following are network classifications for the assignment of IP addresses under the original classful routing system?

A) A
B) E
C) F
D) G

Question 75

Modified Multiple Choice
Which of the following are external network security threats?

A) Worms
B) Hackers
C) Natural disasters
D) Trojan horses

Question 76

Network administrators and IT managers use network ____ to expose network vulnerabilities.

A) service providers
B) operating systems
C) interface cards
D) security audits

Question 77

A(n) _________________________ is an internal expansion card that enables a computer or other device to access a network.

Question 78

Modified Multiple Choice
Which of the following are examples of services used in holding virtual conversations?

A) Google Hangouts
B) Foursquare
C) FaceTime
D) Network Solutions

Question 79

A(n) ____ electronically authenticates an organization's or individual's identity.

A) HTTP server
B) digital certificate
C) encryption server
D) firewall

Question 80

____ involves security audit personnel trying to hack into a network.

A) Distributed denial of service
B) Private peering
C) Penetration testing
D) Tunneling