Types of DNS Requests and Resource Records

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What is the main responsibility of a Network Operating System (NOS)?

Designing communication rules

Handling client-server applications

Providing hardware support to servers

Managing resources and authorizing user access (correct)

What is the key advantage of servers with an NOS installed compared to peer-to-peer networks?

Centralized control of user credentials and shared resource access (correct)

Easier scalability

Lower cost in terms of processing and storage

Enhanced security protocols

Which protocol is primarily used for communication between devices in a network?

TCP/IP (correct)

Telnet

SMTP

FTP

In a Local Area Network (LAN) with a star topology, where do all devices connect?

To one central device, typically a switch Signup and view all the answers

What is the main function of a router in a network?

Managing traffic between two or more networks Signup and view all the answers

What does PAN stand for in network terminology?

Personal Area Network Signup and view all the answers

What type of DNS request involves the local server making multiple queries on behalf of the client?

Recursive Signup and view all the answers

Which DNS record type is used for reverse lookups?

Pointer Signup and view all the answers

What does an MX record identify in DNS?

Mail server Signup and view all the answers

Which DNS server software is the most popular?

BIND Signup and view all the answers

To ensure a more secure network, what should be done regarding internal and external DNS queries?

Handle them using different DNS servers Signup and view all the answers

What should be used to filter or block traffic between networks for added security?

Firewall Signup and view all the answers

What does the 'route' command allow you to view on a Linux or UNIX system?

Routing table Signup and view all the answers

Which of the following is a routing metric used by routers to determine the best path to a destination?

Reliability of a potential path Signup and view all the answers

What does the 'Show IP route' command do on a Cisco IOS system?

Lists the best path to a destination Signup and view all the answers

What is the purpose of auto configuration in IPv6?

To ensure unique IP addresses on the network Signup and view all the answers

In routing protocols, what does 'Administrative Distance (AD)' indicate?

The protocols reliability Signup and view all the answers

How are the last 64 bits of an IPv6 address typically generated during auto configuration?

Randomly or from the network adapter's MAC address Signup and view all the answers

Which parameter is NOT considered as a routing metric used by routers?

Overhead Signup and view all the answers

What does a computer do in Step 1 of auto configuring its IPv6 address?

Creates its IPv6 address using a global routing prefix Signup and view all the answers

What is the purpose of routing protocols used by routers?

To determine the best path to a destination Signup and view all the answers

What is the purpose of router solicitation in IPv6 auto configuration?

To ask for DHCP information from routers Signup and view all the answers

What is the process called when a computer uses the prefix provided by a router to generate its own global IPv6 address?

Prefix discovery Signup and view all the answers

Why is auto configuration considered important with IPv6 addressing?

To ensure each computer can configure a unique IP address easily Signup and view all the answers

What is the most common type of VPN implementation on UNIX-based networks?

Router-based VPN Signup and view all the answers

Which protocol is considered outdated and insecure for VPN connections?

PPTP Signup and view all the answers

What does a VPN concentrator do in the context of VPN connections?

Authenticates VPN clients Signup and view all the answers

Which encryption techniques are commonly used by VPNs as mentioned in the text?

IPsec and SSL VPN tunneling Signup and view all the answers

In VPN tunneling, what is the process known as encapsulating a higher-layer protocol into another layer protocol called?

Tunneling Signup and view all the answers

Which of the following is a requirement for remote access policies mentioned in the text?

Devices must have an updated firewall Signup and view all the answers