The user has connected a laptop to a small office / home office (SOHO) router which connects to
a cable modem. The laptop can’t gain an IP address. The user discovers that the link status LED
is not illuminated on the router or laptop. Why?

As a network technician, you must know the following protocols well, can you tell me which one is
applicable to email transmission?

During packet encryption over the Internet, which two of the protocols below will be used? (Select
TWO).

IrDA uses ______.

If you want to convert an IP address to a MAC address, which protocol will be help to you?

Given the addressing scheme 10.2.10.x, with a subnet mask of 255.255.255.0, your company
wants a secure and isolated sales system. You are asked to segregate network traffic due to
securityrequirements. How to do?

The IPSec (Internet Protocol Security) protocol suite can secure network transmissions by:

Refer to the following network components, which one is able to enlarge the range limitation of
Ethernet networks?

Which command below will display the NETBIOS name of another workstation through its IP
address?

Tom is a junior network administrator. He configures a token ring network in a physical star,
logical ring topology. He connects the end nodes into a 100BASE-TX network hub. Users report
that they can’t access network. Which device can replace the hub?