D413 Telecom and Wireless Communications - Set 1 - Part 3

Correct Answer: RTP

Real-Time Transport Protocol (RTP) is designed to transmit real-time voice, video, and multimedia data over IP networks.

Correct Answer: Smurf attack

A Smurf attack uses IP spoofing to send ICMP packets to a broadcast address, overwhelming the network with traffic.

Correct Answer: To isolate publicly accessible servers from the internal network

A DMZ is a network segment that contains systems accessible from the internet, separating them from the internal, private network for security purposes.

Correct Answer: It maps NetBIOS names to IP addresses

WINS resolves NetBIOS names to IP addresses, enabling older systems that use NetBIOS to communicate on modern IP-based networks.

Correct Answer: Light signals

Fiber-optic cables use light signals to transmit data over long distances at high speeds, making them less prone to interference than copper-based cables.

Correct Answer: WPA2

WPA2 is the most secure of the common wireless security protocols, using stronger encryption methods than WEP and WPA.

Correct Answer: To connect multiple VLANs together

A VLAN trunk connects multiple VLANs over a single physical link, allowing VLAN traffic to pass between network devices.

Correct Answer: Punch down tool

A punch down tool is used to insert and secure twisted-pair wires into network terminations, such as patch panels and keystone jacks.

Correct Answer: The use of physical characteristics for authentication

Biometrics refers to using unique physical traits, such as fingerprints or facial recognition, to verify identity in security systems.

Correct Answer: LAN

A local area network (LAN) is typically confined to a single building or location and is managed by a single organization, connecting computers and devices within that space.