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FromTheMoon [43]
3 years ago
7

What are benefits of using debugging tools? Check all that apply.

Computers and Technology
1 answer:
vivado [14]3 years ago
6 0

Answer:

It's

A. Debugging tools help programmers catch errors they might otherwise miss.

B. Debugging tools can save time.

D. Debugging tools help programmers make methodical assessments of the problem.

Explanation:

got it right on edge.

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2. A host computer with an IP address of 172.16.29.155 using a subnet mask of 255.255.255.0 and a gateway of 172.16.29.1 pings a
ASHA 777 [7]

Answer:

From the host IP address and subnet mask, you can tell that both computers are on the same network. Host 172.16.29.155 will need to send an ARP request broadcast for 172.16.29.83 to get the MAC address and update its ARP table if the host 172.16.29.83 has not already done so.

Explanation:

<h2>ADDRESS RESOLUTION PROTOCOL (ARP)</h2>

Address Resolution Protocol (ARP) is a procedure for mapping a logical address known as the IP address to a physical address known as MAC (Media Access Control) address in a local area network. The job of the ARP is essentially to translate 32-bit addresses to 48-bit addresses and vice-versa when using IP Version 4 (IPv4) to communicate on the network.

Most of the computer programs/applications use logical address (IP address) to send/receive messages, however, the actual communication happens over the physical address (MAC address) this happens in the layer 2 of the OSI model. An ARP request is a broadcast, and an ARP response is a Unicast.

Scenarios when ARP is used:

Scenario-1: The sender is a host and wants to send a packet to another host on the same network.

·        Use ARP to find another host’s physical address

Scenario -2: The sender is a host and wants to send a packet to another host on another network.

·        Sender looks at its routing table.

·        Find the IP address of the next-hop (router) for this destination.

·        Use ARP to find the router’s physical address

Scenario -3: the sender is a router and received a datagram destined for a host on another network.

·        Router checks its routing table.

·        Find the IP address of the next router.

·        Use ARP to find the next router’s physical address.

Scenario -4: The sender is a router that has received a datagram destined for a host in the same network.

·        Use ARP to find this host’s physical address.

The situation in the question above falls under scenario-1. From the host IP address and subnet mask, you can tell that both computers are on the same network. Host 172.16.29.155 will need to send an ARP request broadcast for 172.16.29.83 so to get the MAC address and update its ARP table if the host 172.16.29.83 has not already done so.

7 0
3 years ago
What command can you use if you accidentally delete a sentence in your document?
damaskus [11]

Answer:

undo

Explanation:

or ctrl z

hope this helps

6 0
2 years ago
Read 2 more answers
In the Database sheet, enter conditions in the criteria range for unoccupied two- and three-bedroom apartments that need to be r
kari74 [83]

Answer:

See attachment fir procedures to get answers.

Explanation:

Given that;

In the Database sheet, enter conditions in the criteria range for unoccupied two- and three-bedroom apartments that need to be remodeled. Enter criteria as text only, without use of quotation marks. Be sure to enter the criteria separately in rows 3 and 4.

See attachment

3 0
3 years ago
_____ is a markup language designed to transport and store data on the Web. Group of answer choices Standard Generalized Markup
Kisachek [45]

<u>Extensible Markup Language (XML)</u> is a markup language designed to transport and store data on the Web.

Explanation:

  • Extensible Markup Language (XML) is a markup language that defines a set of rules for encoding documents in a format that is both human-readable and machine-readable
  • Extensible means that the language is a shell, or skeleton that can be extended by anyone who wants to create additional ways to use XML.
  • Markup means that XML's primary task is to give definition to text and symbols.
  • It is a textual data format with strong support, Unicode for different human languages.
  • Extensible Markup Language (XML) is used to describe data.
  • The design goals of XML emphasize simplicity, generality, and usability across the Internet.
  • It is a text-based markup language derived from Standard Generalized Markup Language (SGML).
4 0
3 years ago
Mirrors on cars exist to
Ghella [55]

Answer:

Mirrors exist on cars so objects behind or to the side of the vehicle are brought into the driver's view. (such as cars, bicyclists, etc.) These spots are normally referred to as "blind spots", which are locations outside of the driver's peripheral vision that are difficult to see.

8 0
2 years ago
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