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Monday, December 30, 2019

Which of the following is a valid IPv6 link-local address?

Which of the following is a valid IPv6 link-local address?

  • fe80::f557:9caf:86ce:855e
  • fg80::8a2e:0370:7334
  • 169.254.1.1
  • fe80:0000:0000:5d18:0000:6977:a3cf:e46d 


EXPLANATION

ipv6 unicast-routing
interface gigabitethernet 0/0/0
  ipv6 address 2001:DB8:c18:1::/64 eui-64
Device# show ipv6 interface gigabitethernet 0/0/0
Gigabitethernet0/0/0 is up, line protocol is up
 IPv6 is enabled, link-local address is FE80::F557:9CAF:86CE:855E


  Global unicast address(es):
    2001:DB8:C18:1:260:3EFF:FE47:1530, subnet is 2001:DB8:C18:1::/64
  Joined group address(es):
    FF02::1
    FF02::2
    FF02::1:FF47:1530
    FF02::9
  MTU is 1500 bytes
  ICMP error messages limited to one every 500 milliseconds
  ND reachable time is 30000 milliseconds
  ND advertised reachable time is 0 milliseconds
  ND advertised retransmit interval is 0 milliseconds
  ND router advertisements are sent every 200 seconds
  ND router advertisements live for 1800 seconds
  Hosts use stateless autoconfig for addresses.

 

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A type of cryptographic network protocol for secure data communication

A type of cryptographic network protocol for secure data communication

  • TFTP
  • TELNET
  • SSH
  • RDP 

EXPLANATION

Secure Shell (SSH) was invented in the year 1995, which is a cryptographic network security protocol used for securing data communication over a network. It permits command-line login remotely as well as the execution of specific tasks remotely. Various functionalities of FTP are incorporated in SSH.

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What is the most preferred tool to configure a Server Core and what are the important ones to configure?

What is the most preferred tool to configure a Server Core and what are the important ones to configure?

  • PowerShell
  • CMD
  • Sconfig
  • WinrRM 

EXPLANATION

Server Core doesn't have a UI, you need to use Windows PowerShell cmdlets, command line tools, or remote tools to perform basic administration tasks. The following sections outline the PowerShell cmdlets and commands used for basic tasks. You can also use Windows Admin Center, a unified management portal currently in public preview, to administer your installation.


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Which Windows+R command needs to be entered to Disable Ctrl-Alt-Del at Logon Screen

Which Windows+R command needs to be entered to Disable Ctrl-Alt-Del at Logon Screen

  • netplwiz
  • netbyp
  • netwizpl
  • netpass 

EXPLANATION

 Press Windows key + R to bring up the Run box. Type netplwiz or Control Userpasswords2 and press Enter. When the User Accounts applet opens, click on Advanced tab. Uncheck the Require users to press Ctrl+Alt+Delete checkbox






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What is the correct ipv6 address (with prefix)?

What is the correct ipv6 address (with prefix)?

  • 2001:db8:85a3::8a2e:370:7334/64
  • 2001:db8:85a3::8a2e:370::7334/64
  • 2001:fg8b:abcd:1234::7028/64
  • 192.168.0.1/24 

EXPLANATION

Start Range:  2001:db8:85a3:0:0:0:0:0
End Range:  2001:db8:85a3:0:ffff:ffff:ffff:ffff
No. of host:  18446744073709551616
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