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LINX Accredited Internet Technician 1

sample questions

LINX Accredited Internet Technician 1 - sample questions


1) You set up a "sniffer" to analyse the following.
This is the first time you have pinged this machine.


Click all that apply.

Pinging 192.168.7.200 with 32 bytes of data:

Reply from 192.168.7.200: bytes=32 times<10ms TTL=128
Reply from 192.168.7.200: bytes=32 times<10ms TTL=128
Reply from 192.168.7.200: bytes=32 times<10ms TTL=128
Reply from 192.168.7.200: bytes=32 times<10ms TTL=128

you would see 2 ARP packets.
you would see 8 ARP packets.

you would see 2 DNS packets.
you would see 8 DNS packets.

you would see 0 ICMP packets.
you would see 8 ICMP packets.

you would see 8 IP packets.
you would see 8 TCP packets.

you would see 4 UDP packets.
you would see 8 UDP packets.

2) Which of the following are true with regard to routers?

Tick all that apply

A - Routers are considered to be layer 3 devices.
B - Routers modify the layer 2 addresses of forwarded packets.
C - Routers are sometimes called gateways.
D - Routers have a lower latency than hubs.
E - Routing tables contain all possible routes to a destination.
F - Routers are normally self configuring.
G - Routers cannot be configured by telnet as routers are not layer 7 devices.
H - Routers sometimes act as a web server to allow easier configuration.
I - Routers modify the TTL field in IP headers.
J - The most popular routing protocol is IGRP.
K - Routers connected to the Internet will always use static routes.
L - OSPF is preferred to RIP in most cases.

3) Which of the following is true with regard to CSMA/CD?

Tick the best answer.

A - Multiple Access is allowed and achieves higher throughput rates.
B - Collisions are only seen when one station wishes another station to slow down.
C - Devices listen to the cable first (before transmitting) to check if the utilization rate is higher than 35%.
D - Collisions are not seen with full duplex Ethernet even running at 98% utilization or higher.
E - All of the above (but not below!)
F - None of the above

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