Network Security and Authentication MEDIUM

Play an AI-generated podcast conversation about this lesson

What is the most common way to perform an on-path attack on a wireless network?

Evil twin (correct)

RADIUS server

Firmware flash

Packet capture

What is the purpose of flashing the firmware on a router?

Update the RADIUS server

Perform a MITM attack

Analyze packet captures

Communicate with newer devices (correct)

What does RADIUS use to authenticate and authorize users?

Server Secret Key (correct)

Evil twin

Firmware flash

Packet captures

What does an evil twin refer to in the context of wireless networks?

Rogue wireless access point Signup and view all the answers

What can an attacker determine by analyzing packet captures?

Software versions sent in packets Signup and view all the answers

What type of attack involves sitting between the connection of two parties and either observing or manipulating traffic?

MITM or on-path attack Signup and view all the answers

What is the purpose of a DOCSIS modem?

Converting digital pulses to tones for transmission over coaxial cables Signup and view all the answers

What is the function of Recovery Point Objective (RPO) in a business continuity plan?

Specifies the maximum time interval for acceptable data loss during a disruption Signup and view all the answers

What is the main purpose of DHCP snooping on LAN switches?

To exclude rogue DHCP servers and remove malicious or malformed DHCP traffic Signup and view all the answers

What is the primary purpose of an Internet Connection Sharing (ICS) method?

To connect multiple computers in a LAN to the Internet through a single connection and a single IP address Signup and view all the answers

What is the main purpose of Wi-Fi Protected Access (WPA)?

To provide an improved encryption scheme for protecting Wi-Fi communications Signup and view all the answers

What does the mean time between failures measure in network devices?

The average time when failures occur on a device Signup and view all the answers

What is the main function of Border Gateway Protocol (BGP) in computer networks?

To route data between autonomous systems (AS) Signup and view all the answers

What is the primary purpose of Data Wiping or Clearing?

To overwrite the data on a hard drive to destroy all electronic data Signup and view all the answers

What is the main purpose of High Gain Antennas in wireless networks?

To put out increased signal strength and reach further distances with fewer access points Signup and view all the answers

What is the primary function of Route Poisoning in computer networks?

To prevent routers from sending packets through invalid routes Signup and view all the answers

What is the main purpose of Management Plane in networking?

To monitor traffic conditions and network status Signup and view all the answers

What does Network Access Control (NAC) primarily do in a network environment?

Uses protocols to define and implement policies for securing access to network nodes Signup and view all the answers

What is the purpose of changing the routes metric to a value that exceeds the maximum allowable hop count?

To advertise the route as unreachable Signup and view all the answers

What is the primary function of a punchdown tool in networking?

To connect a network cable to a patch panel Signup and view all the answers

What is the role of a cable crimper in networking?

To join the internal wires of a twisted pair cable with metallic pins Signup and view all the answers

What does MDF stand for in networking?

Main Distribution Frame Signup and view all the answers

What is the function of IDF in networking?

To cross connect the user cable media to individual user line circuits Signup and view all the answers

What is the main purpose of a krone block in telecommunications networks?

To provide insulation-displacement connection Signup and view all the answers

What role does a patch antenna serve in networking?

To provide coverage in a limited angle pattern Signup and view all the answers

How does adding a multilayer switch improve network performance?

By reducing broadcast traffic Signup and view all the answers

What is the primary purpose of a NetFlow analyzer?

To perform monitoring, troubleshooting, inspection, interpretation and synthesis of network traffic flow data Signup and view all the answers

What is the role of an IP scanner in networking?

To monitor a network's IP address space in real-time and identify any devices connected to the network Signup and view all the answers

What can be determined by analyzing packet captures?

Observing or manipulating traffic between two parties Signup and view all the answers

What is the function of a captive portal in networking?

To implement an HTTP redirect, an ICMP redirect or a DNS redirect Signup and view all the answers

What is the primary purpose of utilizing an ITILization review on the network during performance issues?

To determine if traffic is actually high and if any network configurations are out of baseline causing the issue Signup and view all the answers

What is the purpose of a rollback in networking?

To change everything back to the last known good configuration before the change is started Signup and view all the answers

What is the main purpose of a DHCP reservation?

To assign a specific IP address to a client based on its MAC address Signup and view all the answers

What is the function of a tone generator in network infrastructure?

To accurately identify the location of a cable pair or conductor within a wiring bundle Signup and view all the answers

What is the primary purpose of Multipoint GRE (mGRE) protocol in networking?

To enable one node to communicate with many nodes by encapsulating layer 3 protocols Signup and view all the answers

Which TCP/IP technology sends out packets to all devices in the network?

Broadcast Signup and view all the answers

What is the function of a CSU/DSU in networking?

To convert digital data frames from LAN to WAN and vice versa Signup and view all the answers

What is the main purpose of VirtualPBX in networking?

To establish virtual private branch exchange connections Signup and view all the answers

Which record type is used to store important information about a domain or zone in DNS?

SOA records Signup and view all the answers

What does an ASN (Autonomous System Number) control in networking?

Routing with BGP routing protocols Signup and view all the answers

What is the primary function of a RAS (Remote Access Server) in networking?

To provide secure remote access to network resources Signup and view all the answers