What is an active hub?

• A device that stores network objects in a database.

• A hub that has power supplied to it for regenerating signals.

• A wireless network layout without an access point.

• A set of numbers used to identify a resource on a network.

Answer explanation

An active hub is a hub that has power supplied to it for regenerating signals, making it capable of boosting and transmitting data across a network.

What is ad hoc topology?

• A network layout where devices communicate directly without an access point.

• A hub that regenerates signals.

• A set of numbers used to identify a resource on a network.

• A person responsible for the control and security of user accounts.

Answer explanation

Ad hoc topology refers to a network layout where devices communicate directly without an access point, making it a decentralized form of network connection.

What is an administrator?

• A device that stores network objects in a database.

• A hub that regenerates signals.

• A person responsible for the control and security of user accounts.

• A wireless network layout without an access point.

Answer explanation

An administrator is a person responsible for the control and security of user accounts.

What is an Administrator account on a Windows system?

• A service that transmits digital voice and data over phone lines.

• The default account with rights to access everything and assign rights to other users.

• A set of numbers used to identify a resource on a network.

• A firewall that operates at the application layer of the OSI model.

Answer explanation

An Administrator account on a Windows system is the default account with rights to access everything and assign rights to other users.

What does ADSL stand for?

• Advanced Digital Subscriber Line

• Asymmetric Digital Subscriber Line

• Automated Data Service Line

• Asynchronous Data Sequence Line

Answer explanation

The correct choice is 'Asymmetric Digital Subscriber Line' which is the full form of ADSL.

What is AES used for?

• Transmitting digital voice and data over phone lines.

• Providing authentication and integrity checking for data packets.

• Securing sensitive networks used by U.S. government agencies.

• Detecting and removing viruses.

Answer explanation

AES is used for securing sensitive networks used by U.S. government agencies, making it the correct choice.

What does AH (Authentication Header) provide?

• Detecting and removing viruses.

• Authentication and integrity checking for data packets.

• Connectivity between wireless clients and a wired network.

• Assigning IP addresses in the absence of a DHCP server.

Answer explanation

AH (Authentication Header) provides authentication and integrity checking for data packets, ensuring the security and trustworthiness of the transmitted information.

What is antivirus software?

• A software application that detects and removes viruses.

• A network device that offers connectivity between wireless clients.

• A connector used with fiber cables.

• A technology that assigns IP addresses in the absence of a DHCP server.

Answer explanation

Antivirus software is a software application that detects and removes viruses, making it the correct choice.

What is an AP (access point)?

• A software application that detects and removes viruses.

• A network device that offers connectivity between wireless clients and a wired network.

• A connector used with fiber cables.

• A technology that assigns IP addresses in the absence of a DHCP server.

Answer explanation

An AP (access point) is a network device that offers connectivity between wireless clients and a wired network.

What is an APC (angle physical contact)?

• A software application that detects and removes viruses.

• A network device that offers connectivity between wireless clients and a wired network.

• A connector used with fiber cables to keep the signal from bouncing back.

• A technology that assigns IP addresses in the absence of a DHCP server.

Answer explanation

An APC (angle physical contact) is a connector used with fiber cables to prevent signal reflection.