A person is troubleshooting a network issue and needs to see a list of all active network connections.Which Linux command should be used?
Answer(s): B
The netstat command in Linux displays active network connections, listening ports, and network statistics. It is useful for diagnosing network issues and identifying open connections.nslookup is for DNS queries.dig provides DNS information, not network connection status.ifconfig shows network interface details but does not list active connections.
Users of a network have been experiencing issues. In the course of troubleshooting, an administrator wants to test DNS resolution against a host.Which command in Linux should be used for this purpose?
Answer(s): C
The dig command in Linux is used for DNS troubleshooting. It queries DNS records and provides detailed information about domain name resolutions.traceroute tracks the path packets take to a destination but does not diagnose DNS.netstat lists active connections, not DNS records.ifconfig is used for managing network interfaces.
Which layer of the TCP/IP model includes the Internet Protocol (IP)?
The Network or Internet layer of the TCP/IP model is responsible for addressing, routing, and delivering packets across networks. The Internet Protocol (IP) operates at this layer, ensuring that data is correctly routed from the source to the destination.Physical or network access layer deals with hardware transmission (e.g., Ethernet, Wi-Fi).Application layer includes end-user services (e.g., HTTP, FTP).Transport layer manages data flow using protocols like TCP and UDP but does not handle IP addressing.
What is the TCP/IP layer that includes the User Datagram Protocol (UDP)?
Answer(s): D
The Transport layer in the TCP/IP model includes the User Datagram Protocol (UDP) and Transmission Control Protocol (TCP). UDP is a connectionless protocol used for fast, lightweight data transmission where reliability is not the priority (e.g., video streaming, VoIP).Application layer handles end-user services but not transport mechanisms.Network or internet layer deals with IP addressing and routing, not UDP.Physical or network access layer concerns hardware transmission methods.
What is the layer of the OSI model that creates, maintains, and disconnects process communications over the network?
The Session layer (Layer 5 of the OSI model) is responsible for establishing, maintaining, and terminating communication sessions between network applications. It ensures that data exchanges remain synchronized and structured.Data link layer handles error detection and frame transmission.Physical layer deals with hardware-level transmission.Transport layer ensures reliable data delivery but does not manage sessions.
Which layer of the OSI model includes the ICMP?
The Network layer (Layer 3 of the OSI model) includes the Internet Control Message Protocol (ICMP), which is used for network diagnostics (e.g., ping command). ICMP helps in error reporting and network troubleshooting.Transport layer handles reliable data delivery (e.g., TCP, UDP).Session layer manages communication sessions.Application layer provides end-user services.
Which layer of the OSI model includes the TCP?
The Transport layer (Layer 4 of the OSI model) includes the Transmission Control Protocol (TCP), which provides reliable, connection-oriented communication. TCP ensures error-checking, sequencing, and retransmission of lost packets.Application layer deals with end-user protocols like HTTP and FTP.Session layer manages communication sessions but not transport protocols.Network layer focuses on IP addressing and routing, not transport mechanisms.
Which layer of the OSI model includes HTTP?
Answer(s): A
The Application layer (Layer 7 of the OSI model) includes Hypertext Transfer Protocol (HTTP), which is used for web communication. This layer provides network services directly to applications and users.Network layer deals with IP addressing and packet routing.Session layer manages connections but does not include HTTP.Transport layer ensures reliable data transmission but does not handle application protocols.
Share your comments for WGU Network-and-Security-Foundation exam with other users:
im study azure
i need this now
i took the aws saa-c03 test and scored 935/1000. it has all the exam dumps and important info.
good questions
well explained
i got the full version and it helped me pass the exam. pdf version is very good.
provide the download link, please
please upload thank.
please can you share 1z0-1055-22 dump pls
i will wait impatiently. thank youu
is it possible to clear the exam if we focus on only these 156 questions instead of 623 questions? kindly help!
really helped with preparation of my scrum exam
very informative and through explanations
prep for exam
thanks for helping us
i prepared for the eccouncil 350-401 exam. i scored 92% on the test.
aba questions to practice
great content
how do i get the remaining questions?
well formatted pdf and the test engine software is free. well worth the money i sept.
looking for 1z0-116
in question 22, shouldnt be in the data (option a) layer?
the questions are incredibly close to real exam. you people are amazing.
q15. answer is b. simple
great practice
thanks to this exam dumps, i felt confident and passed my exam with ease.
need 1z0-1105-22 exam
this is a beautiful tool. passed after a week of studying.
can you please upload the dumps for 1z0-1096-23 for oracle
its intresting, i would like to learn more abouth this
q252: dns poisoning is the correct answer, not locator redirection. beaconing is detected from a host. this indicates that the system has been infected with malware, which could be the source of local dns poisoning. location redirection works by either embedding the redirection in the original websites code or having a user click on a url that has an embedded redirect. since users at a different office are not getting redirected, it isnt an embedded redirection on the original website and since the user is manually typing in the url and not clicking a link, it isnt a modified link.
helpful dump questions
question 423 eigrp uses metric
hello nice dumps
Keeping this site free takes real effort. We constantly battle automated scraping and unauthorized content copying. A quick account helps us protect the community and keep the site free.
To continue studying for your Network-and-Security-Foundation, please sign in or create a free account.