Lab Manual For Comptia A+ Guide To It Technical Support
10th Edition
ISBN: 9780357440780
Author: Jean Andrews, Joy Dark, Jill West
Publisher: Cengage Learning
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Chapter 7, Problem 12TC
Explanation of Solution
Given:
The communication is established between the router and the internet by restarting the computer as well as the modem.
To find:The commands to fix the problem of communication between the laptop and the router.
Solution:
Following are the order of commands which can be used to fix the issue and confirm the connectivity:
IP Config/release: When the client executes this command request immediately, it goes to the DHCP server and updates the DHCP server status information and gives the current IP address to the client.
IP Config/renew: When the client executes this command, then it requests for the new IP address...
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[Estimated time to solve this question is 5 minutes]
Your PC
UOB
LAN
74-29-90-E8-FF-86
DN8 8erver
As shown in the figure above, assume that you computer is connected to the University local LAN. In order for you to navigate the Internet, you need to get some services from the DNS server. Answer the
following two parts:
(a) From where your computer will get the IP address of the DNS servre? Explain.
(b) How your device will find the MAC address of the DNS server? Explain.
For the toolbar, press ALT+F10 (PC) or ALT+FN+F10 (Mac).
Loss of network connectivity can be frustrating to users and can be costly to a business. As an IT technician, you might be asked to restore these connections. Familiarity with TCP/IP utilities can help you narrow down the source of the problem. Open a command prompt, type ipconfig /all and press enter 1. What is the IP address?
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2. What is the physical address (MAC)?
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3. What is the address of the default gateway?
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4. What is the address of the DHCP server?
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5. What is the address of the DNS server? Type ping cengage.com and press enter.
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6. What is the IP address that was pinged?
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7. Where did that IP address come from? Type nslookup course.com.
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8. What is the IP address returned? Open a browswer and go to sctech.edu. At the command prompt type ipconfig /displaydns and press enter. Browse through the results.
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9. What is the IP address for sctech.edu?
Chapter 7 Solutions
Lab Manual For Comptia A+ Guide To It Technical Support
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- As you assist a colleague who is having network connection issues, you discover the machine is looking for a DNS server that does not exist. What command-line tool may be used to guarantee that the DNS server is given the correct IP address?arrow_forwardYou find the computer is searching a DNS server that does not exist when you are helping a colleague who is experiencing difficulties with their network connection. What command-line program may be used to ensure that the right IP address is assigned to the DNS server?arrow_forwardQUESTION 25 As a network administrator, Joshua is helping a nearby library set up a local network. He manually assigns an IPv6 address, as well as a default gateway and DNS server, to each Windows 10 computer using the Network and Sharing Center. Which of the following is true of this configuration? Â a. Script commands were used to configure the IPv6 settings. Â b. The network interface in each computer is assigned a link-local unicast address. Â c. It is a stateless automatic address configuration. Â d. Each computer in the network is assigned a static IP address.arrow_forward
- You have a host on your network that provides a service that requires the server to always use a specific IP address. Which IP addressing method can you use to manually assign the specific IP address? and why?arrow_forward1.What does the traceroute command show? Group of answer choices A. The path taken by packets to its destination address B. The MAC address of the destination address C. Whether the remote suppórts TCP\IP D. The operating system run by the host at the destination address 2.What command would you use to add a node's IP address, subnet mask, and network location interface to a routing table? Group of answer choices A. Route Add B. add Host C. add node D. route open 3. What does RIP stand for ? Group of answer choices A. Regulated interaction protocol B.Routing information protocol C.Response Interpretation protocol D. Required Installation protocol 22 Group of answer choices A. A modem 4. Which of the following would not server as a firewall ? 23 24 25 B. A windows server 26 C. A repeater 27 D. A linux server 28 29 5. What application did you use on the workstation on the server to connect remotely to the server? Group of answer choices A. Telnet 30 31 32 B. Team viewer C. Remote Desktop…arrow_forwardChoose the resource record of DNS Server which represents the IPV6 address 2005:1421:34:56D::5 in the DNS resolution output.? a. MX O b. NS O C. A O O d. AAAAarrow_forward
- Which networking device will stop the broadcast messages from being delivered? hub a. end device o b. Router, O.C. switch od.arrow_forwardSecurity settings are available while configuring your new SOHO router. Which one encrypts your communications best?PSK, AES, WEP, TKIP, RC4.arrow_forwardYou have configured a new web server in your network, which will be used only from the local network. You published the website on TCP port 8443 but are unable to access the website on that port from a client device. You are able to ping the server IP address and also have access to the server using a Remote Desktop Connection. What could be the cause of this issue? COMUNIC ONAT is not configured Windows firewall is enabled, and port 8443 is not allowing traffic INTERWEN ONO TRA www Submit Microsoft Edge browser is configured incorrectly on the client device correctly There is no static route pointing to the server on the router Server is placed in the wrong VLANarrow_forward
- QUESTION 24 Which command is used to show details about the path that a packet takes from the computer to whatever destination you specify? a. Ipconfig b. Ping c. Nslookup d. Tracert QUESTION 25 What does DNS stand for? a. Domain Naming System b.Domain Name System c. Domain Name Systems d. Domain Names System QUESTION 26 What is the name of an IPV6 type that indicates the IP address was configured by default? a. Global-Unicast b. Unique-Local c. Link-Local d. Multicast O O O O O O Oarrow_forwardSet up a wireless router with three PCs and two laptops, and configurethe SSID name and password of the wireless router.arrow_forwardIf there is a new device in your home network that requests for IP address from your router using DHCP, can you use your computer with Wireshark to capture their DHCP interaction? Why or why not?arrow_forward
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