Question 1

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.

Accepted Answer

A security audit is conducted to identify potential security breaches and vulnerabilities in a network system. Based on its findings, security policies and procedures may need to be revised, employee training may need to be improved, and updates may need to be made to network hardware and software to address any security weaknesses or threats.

Question 2

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

Accepted Answer

A star topology connects each node to a central device (hub or switch), which acts as a common connection point for all devices on the network. This centralization makes it easy to detect problems, as only the affected node needs to be checked, and it allows for easy expansion of the network by adding or removing nodes. The other choices (bus, triangle, and ring) are different types of topologies that do not have a central device.

Question 3

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

Accepted Answer

Ethernet and token ring are both network access methods, but Ethernet is the most commonly used and widely adopted method. Bus, star, and peer-to-peer are all network topologies, not access methods.

Question 4

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

Accepted Answer

Physical topology refers to the physical layout of devices in a network, such as the placement of computers, printers, switches, and other hardware. This includes the actual physical connections between devices, such as Ethernet cables or wireless connections. Access method refers to the way devices access the network, logical topology refers to how data flows through the network, and throughput refers to the amount of data that can be transmitted over the network in a given period of time.

Question 5

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.

Accepted Answer

A client/server LAN requires an operating system to manage data storage, printer access, communications, Internet connections, security, and network administration. The operating system is responsible for coordinating these functions between the client and server computers on the network.

Question 6

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

Accepted Answer

Cloud computing does not involve using devices to measure biological data, it is a technology that allows for the storage and access of data and applications over the internet instead of on a local hard drive.

Question 7

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.

Accepted Answer

Testing data restore procedures is important to ensure that in the event of data loss or corruption, the backed up data can be successfully restored. Testing also helps identify any potential issues with the storage media or cloud-based storage service, allowing for corrective action to be taken before an actual data loss event occurs.

Question 8

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

Accepted Answer

LAN stands for Local Area Network and is a network that serves users in a small geographical area such as a home, an office, a single building or several buildings. MAN (Metropolitan Area Network) covers a larger area such as a city, and WAN (Wide Area Network) covers even larger areas such as countries or continents. TAN (Tiny Area Network) is not a commonly used term in networking.

Question 9

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

Accepted Answer

A passive hub is a simple device that does not have any intelligence to determine how to direct a packet. It simply sends the same signal to all of its connected nodes or segments.

Question 10

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

Accepted Answer

Personal VPNs (Virtual Private Networks) do exist and allow mobile or wireless users to establish a private and secure network connection through the internet.

Question 11

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

Accepted Answer

These are examples of internal management and policy issues, not external network security threats. External threats typically involve outside actors attempting to breach the network.

Question 12

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

Accepted Answer

The primary tools used to provide transaction authentication, integrity, nonrepudiation, and confidentiality are encryption and digital signatures or message authentication codes (MACs). Dynamic routing is a networking concept that provides a way for data to be routed through a network automatically. While it may aid in ensuring message delivery, it is not primarily used for authentication, integrity, nonrepudiation, or confidentiality.

Question 13

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 ____.

Accepted Answer

A gateway is designed to connect networks using different protocols or formats. Routers also perform this function, but they primarily operate at the network layer, while gateways operate at the application layer. Hubs and data switches are used to connect devices within a single network or segment, and do not perform protocol conversion.

Question 14

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

Accepted Answer

A credit card contains a magnetic stripe and/or a microchip that stores account information, but not necessarily special access codes or biometric information.

Question 15

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

Accepted Answer

Linux, Novell NetWare, and UNIX are all examples of network operating systems.

Question 16

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

Accepted Answer

Bluetooth is a short-range RF technology designed to send and receive wireless transmissions between devices such as computers, smartphones, tablets, and headsets.

Question 17

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.

Accepted Answer

A router is a specialized device that connects different networks, such as LANs and WANs, and can handle different speeds and protocols, directing data packets between them.

Question 18

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.

Accepted Answer

The accompanying figure suggests that the cable in question is a twisted-pair cable, which is commonly used in LAN transmissions due to its easy installation and ability to handle fast transmission speeds. Coaxial cables are also used, but are less common in LANs. Fiber-optic cables have significant advantages in terms of speed and data security, but are generally more expensive and require additional equipment. Microwave transmissions are typically used for long-range and point-to-point communication, rather than LAN transmissions.

Question 19

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.

Accepted Answer

The answer of A private key infrastructure is the combination...

Question 20

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

Accepted Answer

LAN jacking is not related to encapsulating protocols; it refers to unauthorized access or use of a local area network. Encapsulation of one protocol inside another is known as tunneling.

Quiz 6: Understanding Internet Technologies and Security