Networking Flashcards

1
Q

Difference between switch and router?

A

switch connects multiple devices within a network, router
connects multiple switches to external network

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2
Q

How to find ip address of Linux server?

A

ifconfig, hostname -I, nmcli dev show

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3
Q

How to find ip address of Windows server?

A

ipconfig

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4
Q

What is ping command?

A

gives us the latency of the remote server and to check the connectivity

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5
Q

What is loopback address?

A

to check the TCP stack is intact or not

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6
Q

How can we make sure that a NIC is operational?

A

ethtool ens33 – packets dropped ethtool nic-name
ifconfig – ip address should be assigned
nmcli dev show

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7
Q

If are trying to access yahoo.com how to find out it’s ip address?

A

nslookup yahoo.com – name
search lookup

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