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network+ 16 practice

Total questions: 25

Worksheet time: 38mins

Name
Class
Date
1.

What is the primary role of a DNS forward lookup zone?

a)

Delegates authority for subdomains

b)

Maintains a cache of previously resolved queries

c)

Defines the authoritative name server for the domain

d)

Maps hostnames to IP addresses

2.

A DNS reverse lookup zone:

a)

Maps IP addresses to hostnames

b)

Handles recursive queries for IP address resolution

c)

Manages zone transfers between DNS servers

d)

Resolves wildcard domain queries

3.

Which type of DNS server is responsible for storing and providing the original DNS records for a domain?

a)

Anycast DNS server

b)

Forwarding DNS server

c)

Root DNS server

d)

Authoritative DNS server

4.

Which type of DNS server responds to queries using cached or forwarded data but does not hold the original records for a domain?

a)

Load-balancing DNS server

b)

Dynamic DNS server

c)

Secondary DNS server

d)

Non-authoritative DNS server

5.

An authoritative DNS server that stores original records for a domain is referred to as:

a)

Public DNS server

b)

Root DNS server

c)

Primary DNS server

d)

Global DNS server

6.

Which of the answers listed below refers to a backup DNS server that holds a copy of the DNS records for a domain?

a)

Caching DNS server

b)

Failover DNS server

c)

Secondary DNS server

d)

Mirrored DNS server

7.

Which type of DNS lookup involves a DNS server contacting multiple servers on behalf of the client to fully resolve a domain name and return the corresponding IP address?

a)

Recursive DNS lookup

b)

Dynamic DNS lookup

c)

Iterative DNS lookup

d)

Non-recursive DNS lookup

8.

Which of the following can be used on a local machine to override DNS settings?

a)

NIC settings

b)

Hosts file

c)

DNS cache

d)

Routing table

9.

Which of the answers listed below refers to a time synchronization protocol designed for environments requiring nanosecond precision (e.g., financial systems, industrial automation)?

a)

RTP

b)

TSP

c)

PTP

d)

NTP

10.

Which of the following answers refers to a solution designed to protect time synchronization data against various types of attacks?

a)

NTS

b)

SNTP

c)

NTP

d)

TSP

11.

Which type of VPN enables connectivity between networks?

a)

Cross-domain VPN

b)

Remote access VPN

c)

Site-to-site VPN

d)

Access gateway VPN

12.

A VPN type that enables individual users to securely access a remote network is known as:

a)

Client-based VPN

b)

Remote access VPN

c)

Endpoint VPN

d)

Client-to-site VPN

13.

Which of the answers listed below refers to a common implementation of clientless VPN access?

a)

Web browser

b)

Command-line interface

c)

Proxy server

d)

VPN gateway

14.

Which of the following terms is used to describe a type of VPN solution that alleviates bottlenecks and conserves bandwidth by enabling utilization of both the VPN and public network links?

a)

Channel bonding

b)

Load balancing

c)

Split tunneling

d)

Link aggregation

15.

Which of the answers listed below refers to SSH?

a)

Automates communication between different systems

b)

Establishes a physical, direct connection to a network device

c)

Provides secure, remote, command-line access to devices

d)

Offers a user-friendly, visual interface for managing tasks

16.

Which of the following answers refers to an example implementation of a GUI-based remote network connection type?

a)

API

b)

SSH

c)

CLI

d)

RDP

17.

Which network access/management method enables automated communication and integration across different systems?

a)

AI

b)

SDN

c)

ML

d)

API

18.

In the context of network access and management methods, the term "Console access" refers to the method of connecting directly to a network device via a physical port, often using a serial cable or a similar connector. This access method is typically used for initial configuration, troubleshooting, or when remote network access is not available.

a)

True

b)

False

19.

Which of the answers listed below refers to a dedicated, secure system that acts as an intermediary to access devices or systems in a different, typically more secure, network segment?

a)

Jump box/host

b)

Authentication server

c)

Network firewall

d)

Access gateway

20.

In computer networking, the practice of managing devices through the same network channels that are used for regular data traffic is called:

a)

In-path management

b)

Inline management

c)

In-band management

d)

Integrated management

21.

A network administrator is tasked with managing network devices in a critical environment where the primary network is prone to occasional outages. The administrator needs to ensure that they can still access and configure devices for troubleshooting, even if the main network is down. Which management method would best meet this requirement?

a)

Remote access management

b)

Infrastructure management

c)

Out-of-band management

d)

Hybrid network management

22.

Which of the answers listed below refer(s) to (an) in-band network management method(s)?

a)

HTTP/HTTPS

b)

SSH

c)

RDP

d)

SNMP

e)

Telnet

23.

Which of the following answers refers to an out-of-band network management method?

a)

Network tap

b)

USB cable

c)

Console port

d)

Loopback plug

24.

Which of the answers listed below refer to data at rest? (Select 3 answers)

a)

VoIP call

b)

Archived data

c)

Database record

d)

FTP transfer

e)

Backup file

25.

Examples of security solutions used to encrypt data in transit include: (Select 3 answers)

a)

VPN

b)

SED

c)

IPsec

d)

FDE

e)

TLS