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Worksheetsnetwork+ 16 practice
Total questions: 25
Worksheet time: 38mins
What is the primary role of a DNS forward lookup zone?
Delegates authority for subdomains
Maintains a cache of previously resolved queries
Defines the authoritative name server for the domain
Maps hostnames to IP addresses
A DNS reverse lookup zone:
Maps IP addresses to hostnames
Handles recursive queries for IP address resolution
Manages zone transfers between DNS servers
Resolves wildcard domain queries
Which type of DNS server is responsible for storing and providing the original DNS records for a domain?
Anycast DNS server
Forwarding DNS server
Root DNS server
Authoritative DNS server
Which type of DNS server responds to queries using cached or forwarded data but does not hold the original records for a domain?
Load-balancing DNS server
Dynamic DNS server
Secondary DNS server
Non-authoritative DNS server
An authoritative DNS server that stores original records for a domain is referred to as:
Public DNS server
Root DNS server
Primary DNS server
Global DNS server
Which of the answers listed below refers to a backup DNS server that holds a copy of the DNS records for a domain?
Caching DNS server
Failover DNS server
Secondary DNS server
Mirrored DNS server
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?
Recursive DNS lookup
Dynamic DNS lookup
Iterative DNS lookup
Non-recursive DNS lookup
Which of the following can be used on a local machine to override DNS settings?
NIC settings
Hosts file
DNS cache
Routing table
Which of the answers listed below refers to a time synchronization protocol designed for environments requiring nanosecond precision (e.g., financial systems, industrial automation)?
RTP
TSP
PTP
NTP
Which of the following answers refers to a solution designed to protect time synchronization data against various types of attacks?
NTS
SNTP
NTP
TSP
Which type of VPN enables connectivity between networks?
Cross-domain VPN
Remote access VPN
Site-to-site VPN
Access gateway VPN
A VPN type that enables individual users to securely access a remote network is known as:
Client-based VPN
Remote access VPN
Endpoint VPN
Client-to-site VPN
Which of the answers listed below refers to a common implementation of clientless VPN access?
Web browser
Command-line interface
Proxy server
VPN gateway
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?
Channel bonding
Load balancing
Split tunneling
Link aggregation
Which of the answers listed below refers to SSH?
Automates communication between different systems
Establishes a physical, direct connection to a network device
Provides secure, remote, command-line access to devices
Offers a user-friendly, visual interface for managing tasks
Which of the following answers refers to an example implementation of a GUI-based remote network connection type?
API
SSH
CLI
RDP
Which network access/management method enables automated communication and integration across different systems?
AI
SDN
ML
API
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.
True
False
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?
Jump box/host
Authentication server
Network firewall
Access gateway
In computer networking, the practice of managing devices through the same network channels that are used for regular data traffic is called:
In-path management
Inline management
In-band management
Integrated management
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?
Remote access management
Infrastructure management
Out-of-band management
Hybrid network management
Which of the answers listed below refer(s) to (an) in-band network management method(s)?
HTTP/HTTPS
SSH
RDP
SNMP
Telnet
Which of the following answers refers to an out-of-band network management method?
Network tap
USB cable
Console port
Loopback plug
Which of the answers listed below refer to data at rest? (Select 3 answers)
VoIP call
Archived data
Database record
FTP transfer
Backup file
Examples of security solutions used to encrypt data in transit include: (Select 3 answers)
VPN
SED
IPsec
FDE
TLS
