Chapter 4 - Network Management

Question 1

Name a common type of load balancing technique

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Answer 1

round robin

Question 2

what is a proxy server?

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Answer 2

a device that makes a connection to another location on behalf of the user

Question 3

2 protocols mostly used by VPN concentrators.

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Answer 3

PPTP L2TP

Question 4

what is a cable certifier?

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Answer 4

device that tests a network segment and compares that result against what it should be

Question 5

what is a toner probe?

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Answer 5

tool that tests connectivity of wires that run through walls and other obstructions

Question 6

what is a punchdown tool?

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Answer 6

tool that punches down the thernet cable wires into special connectors on the backside of a patch panel

Question 7

protocol analyzer

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Answer 7

special hardware that is carried to various network areas to get traffic info

Question 8

difference between TDR and OTDR

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Answer 8

TDR - copper

OTDR - fiber optic

Question 9

environmental monitor (normal temp and humidity)

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Answer 9

68 to 75 degrees farenheit

50 to 50 percent humidity

Question 10

in general, what is “throughput”?

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Answer 10

the amount of data that a network can pass in a given period of time

Question 11

Ping

protocol?
type of request?

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Answer 11

ICMP

echo request packet

Question 12

difference between traceroute and tracert

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Answer 12

traceroute - tool (utility)

tracert - command specific to Microsoft

Question 13

DIG

name?
purpose?

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Answer 13

domain info groper

for interrogating DNS servers

Question 14

NSLOOKUP

noninteractive vs interactive

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Answer 14

noninteractive - nslookup /command

interactive - /command

Question 15

2 general types of entries in an ARP cache

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Answer 15

dynamic

static

Question 16

what does NETBIOS do?

what command starts the utility?

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Answer 16

resolves NetBIOS names to IP addresses

nbstat

Question 17

what do you use netstat for?

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Answer 17

to display protocol statistics and current TCP/IP connections

Question 18

tell me about
SNMP
version2
version3

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Answer 18

used as a reporting agent to set up a trap

performance, security are enhanced

more security, encrypts data packets in transit

Question 19

what can you use Syslog for?

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Answer 19

establishing a baseline of normal traffic

Question 20

tell me a website of a company that specializes in HW and SW for testing and evaluating networks (hint: “Absurd”)

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Answer 20

www.fluke.com

Question 21

physical network map?

logical network map?

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Answer 21

shows routers, cables, switches, servers, workstations, looks like a wiring schematic

describes the path that traffic takes by listing IP addresses and subnet info

Question 22

record of diagnostics from a healthy network

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Answer 22

baseline

Question 23

QoS is what ability?

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Answer 23

to provide different types of traffic with different types of service through the network

Question 24

what is “planned downtime”?

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Answer 24

time set aside for maintenance and upgrades

Question 25

tell me 3 applications of high bandwidth

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Answer 25

VoIP
video applications
unified communications