Used for dns debugging - Study guides, Class notes & Summaries

AP Computer Science Principles Exam (Units 1 through 4) 100% Pass What is the purpose of `IP addresses`? IP addresses identify devices on the Internet and allow them to communicate with each other. What does `DNS` do? DNS translates domain names (like ) into IP addresses so browsers can load websites. What is `packet switching`? Packet switching breaks data into small packets that travel across networks independently, then reassemble at the destination. What is `bin...

WGU C172 Network and Security Protocol and Layers Exam Review Questions with certified Answers 2024/2025 Fiber cables, or fiber-optic cables - correct answer use glass or plastic threads within cables to transfer the data using light (lasers or LEDs) as opposed to traditional metal cables using electricity. Single-mode cables - correct answer made up of one single glass or plastic fiber. The benefit of a single fiber cable is the ability to carry higher bandwidth for 50 times the distance ...

PING - is one of the most basic tools for testing connectivity to other hosts. It sends an internet control message protocol (ICMP) echo request to a host and listens for the reply Traceroute/tracert - are used to trace the route an IP packet takes to a destination. It displays each hop (next router) in a numerical list with the hop's IP address and the time it takes to receive the packet. TRACEPATH - is similar to traceroute or tracert in that it displays the path taken by a packet from ...

FILL BLANK Which command is used to set the hostname of the local system? (Specify only the command without any path or parameters.) - correct answer hostnamectl Which of the following is a valid IPv6 address? A. 2001:db8:0g21::1 B. 2001::db8:4581::1 C. 2001:db8:3241::1 D. 2001%db8%9990%%1 E. 8.819f..1 - correct answer C FILL BLANK What command, depending on its options, can display the open TCP connections, the routing tables, as well as network interface statistics? (Specify...

PING - is one of the most basic tools for testing connectivity to other hosts. It sends an internet control message protocol (ICMP) echo request to a host and listens for the reply Traceroute/tracert - are used to trace the route an IP packet takes to a destination. It displays each hop (next router) in a numerical list with the hop's IP address and the time it takes to receive the packet. TRACEPATH - is similar to traceroute or tracert in that it displays the path taken by a packet from ...

Traceroute - Used to determine the number of hops required for a packet to reach its destination. Nslookup - Used to determine IP address of a domain name. Ping - Used to determine the IP address and latency in networks. Netstat -a - Used to display IP ports currently open on the Windows OS. Whois - Information about a webserver including contact information. ARP - This command displays the IP to physical (MAC) address mappings for hosts that have been discovered in the ______ cac...

What is a purpose of implementing VLANs on a network? They can separate user traffic Which method is used to make data unreadable to unauthorized users? Encrypt the data A network administrator is configuring an AAA server to manage RADIUS authentication. Which two features are included in RADIUS authentication? (Choose two.) hidden passwords during transmission single process for authentication and authorization A client is using SLAAC to obtain an IPv6 address for its interface. Afte...

Basic Network Commands WGU C172 Graded A+ Solution PING is one of the most basic tools for testing connectivity to other hosts. It sends an internet control message protocol (ICMP) echo request to a host and listens for the reply Traceroute/tracert are used to trace the route an IP packet takes to a destination. It displays each hop (next router) in a numerical list with the hop's IP address and the time it takes to receive the packet. TRACEPATH is similar to traceroute ...

GRADED A+. What is a step for constructing a threat model for a project when using practical risk analysis? A Align your business goals B Apply engineering methods C Estimate probability of project time D Make a list of what you are trying to protect - ANSWER-D Which cyber threats are typically surgical by nature, have highly specific targeting, and are technologically sophisticated? A Tactical attacks B Criminal attacks C Strategic attacks D User-specific attac...

Which statement is true of a software development life cycle? A Workload testing should be performed while designing the functional requirements. B Parallel testing verifies whether more than one system is available for redundancy. C A software programmer should be the only person to develop the software, test it, and submit it to production D Unit testing should be performed by the developer and the quality assurance team. Answer D is correct. Unit testing should be performed by t...