You are a network administrator and want to display the version and configuration data for SSH on the device that you configured. Which command will help you to do that? a. show history b. show ip ssh c. show ip interface d. show flash
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- please help me Run the following Data & Network Security commands and display their outputs:a. Command that helps to verify IP-level connectivity.b. Command that displays the kernel’s routing table.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? 2. What is the physical address (MAC)? 3. What is the address of the default gateway? 4. What is the address of the DHCP server? 5. What is the address of the DNS server? Type ping cengage.com and press enter. 6. What is the IP address that was pinged? 7. Where did that IP address come from? Type nslookup course.com. 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. 9. What is the IP address for sctech.edu?Demonstrate your ability to configure a switch in Packet Tracer. Your tasks include configuring initial settings using the Cisco IOS. You are to use a switch and two hosts/PCs on a cabled and powered network and ensure that you have carryout the following: Use a console connection to access the switch. Name the switch Use the password for all lines.
- Computer Science A company recently removed 50 computers that were connected via Cat 5e cables and replaced them with wireless tablets. Which of the following should be performed to help ensure network security? a. Label the ports as unused. b. Educate the users on the new SOP regarding network access. c. Ensure the DHCP scope has enough addresses. d. Disable unneeded ports on the switch e. Reassign the ports back to the native VLANQuestion 4In UDP the datagram contains the source and destination IP address and the source and destination port address. True FalseWhat is the difference between a layer 2 and layer 3 switch? If you were to buy a switch which one would you purchase, and why? Which switch has MAC Address only functions?
- 25. ___________________To accomodate protocol analyzer, IDS devices, and IP devices, most switch manufactures support port mirroring or switch port analyzer (SPAN) port. Answer - True or False 27. _______________________________ Backup files cannot be saved to the same disk being backed up. Answer - True or False 28. A network is made up the following except: a) Computers b) Transmission media c) Network interfaces d) NoneWhen a router, switch, NIC or any other network hardware component goes down, your job as a network technician includes identifying the location and the cause of the network failure or performance issue. Describe in detail how and when you would you use the TCP/IP troubleshooting tools (ping, traceroute, netstat) to find the cause of a problem? Write about 1-2 page.Listing and identifying sockets. the ss command may be used to display the listening connections and the established connections on a machine. Suppose you see the sample output shown below. Netid State Local Addr:Port Peer Addr:Port Users udp UNCONN 0.0.0.0:8003 0.0.0.0:* (pid=29604,fd=3) tcp LISTEN 0.0.0.0:8003 0.0.0.0:* (pid=28832,fd=3) Netid State Local Addr:Port Peer Addr:Port Users tcp ESTAB 127.0.0.1:8003 127.0.0.1:47468 (pid=28832,fd=4) tcp ESTAB 127.0.0.1:47468 127.0.0.1:8003 (pid=29910,fd=3) The output above lists all the connections on the machine where the ss command is run. Helpfully, the last column of the output, entitled Users, also shows the process ID (pid) of the application process associated with the socket and the number of the file descriptor (fd) associated with the socket. (a) Suppose a TCP packet enters the machine, destined to TCP port 8003 corresponding to an established connection. Can you identify the pid and socket fd, if any, corresponding to the socket…
- ARP is necessary for the communication amongst the Hosts, justify this statement. Look at the following bits of ARP and clearly mention Source MAC Address, Destination MAC address, Type of ARP, Source IP & Target IPWhich term is best described as the practice of adding a device's physical address to a wireless router in order to either permit it or deny it access to the network? SSID Disabling Pre-shared Key WPS MAC FilteringH1 is unplugged from this LAN by the system administrator. Does this change affect the switch table? Explain your answer.
