Which of the following statements regarding the OSI reference model is TRUE?

Computer networks use a tunneling protocol when one network protocol (the delivery protocol)
encapsulates a different payload protocol. Encryption is especially important in wireless
communications. Refer to the following protocols, which two are applicable to tunneling and
encryptionpurposes? (Select TWO).

A customer is complaining about the disconnection to the Internet, but all other users can connect
to the network. Which action will be taken next after obtaining all the information about the users
workstation?

On a switched Ethernet network that is operating perfectly, what is the state in which a user will
find the activity LED (Light Emitting Diode)?

You are reported that a user can’t access any website, but he can access the network shares and
their email. How to resolve this problem?

In order to present the active routes on a workstation, which tool will be deployed?

All users are unable to access the network. In order to solve this issue, which action will you take
first?

Identify the Windows utility being used given the following output:
Proto Local Address Foreign Address State
TCP JDoe:epmap JDoe.jdoe.com:0 Listening

Two network devices are connected by a crossover cable. Which pins below are different
between them?

After creating a connection, which TCP connect scanner is always
configured for normal data traffic?