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Flashcards in Chapter 4 - Network Management Deck (25)
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1

Name a common type of load balancing technique

4-139

round robin

2

what is a proxy server?

4-139

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

3

2 protocols mostly used by VPN concentrators.

4-140

PPTP L2TP

4

what is a cable certifier?

1-141

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

5

what is a toner probe?

4-142

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

6

what is a punchdown tool?

4-143

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

7

protocol analyzer

4-144

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

8

difference between TDR and OTDR

4-144,145

TDR - copper
OTDR - fiber optic

9

environmental monitor (normal temp and humidity)

4-146

68 to 75 degrees farenheit

50 to 50 percent humidity

10

in general, what is "throughput"?

4-147

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

11

Ping

protocol?
type of request?

4-148

ICMP
echo request packet

12

difference between traceroute and tracert

4-149

traceroute - tool (utility)

tracert - command specific to Microsoft

13

DIG

name?
purpose?

4-150

domain info groper

for interrogating DNS servers

14

NSLOOKUP

noninteractive vs interactive

4-152

noninteractive - nslookup /command

interactive - /command

15

2 general types of entries in an ARP cache

4-153

dynamic

static

16

what does NETBIOS do?

what command starts the utility?

4-154,155

resolves NetBIOS names to IP addresses

nbstat

17

what do you use netstat for?

4-155

to display protocol statistics and current TCP/IP connections

18

tell me about
SNMP
version2
version3

4-159

used as a reporting agent to set up a trap

performance, security are enhanced

more security, encrypts data packets in transit

19

what can you use Syslog for?

4-160

establishing a baseline of normal traffic

20

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

4-161

www.fluke.com

21

physical network map?

logical network map?

4-163

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

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

22

record of diagnostics from a healthy network

4-164

baseline

23

QoS is what ability?

4-165

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

24

what is "planned downtime"?

4-166

time set aside for maintenance and upgrades

25

tell me 3 applications of high bandwidth

4-168

VoIP
video applications
unified communications