General Know how (with a bit of networking thrown in)

1. Which of the following is an approach to problem solving?

a) Trial and error
b) Guess and hope
c) Resolve by example
d) Step by step using ISO


2. Which of the following is not a step in the problem solving process?

a) Describe the OSI model
b) Test the solution
c) Gather information
d) Define the problem


3. Which of the following is a good statement of a problem and scope?

a) Steve is getting an error on his computer
b) Meagan cannot access Server 2 but can access all other servers; no other users report problems accessing Server 2
c) Meg can’t print to the Laser Printer in Room 2.11, so it must be offline
d) Network access is slow for the third floor, so we need to upgrade the router memory.


4. Periodic measurements of network performance are also known as:

a) Network monitoring
b) Protocol analysis
c) Baselining
d) Streamlining


5. To see the path that a packet takes from its source to a destination, as well as network bottlenecks along the way, use the …………………utility.

a) Ping
b) Ipconfig
c) Trace Route
d) Display Route


6. A TCP/IP protocol used to gather network information and send the information to a management console is:

a) SMTP
b) UDP
c) ICMP
d) SNMP


7. When troubleshooting networks, the first OSI layer in consideration is:

a) Layer 1
b) Layer 2
c) Layer 3
d) Layer 4


8. Static IP addresses cannot be assigned by Network Administrators to workstations. True or False


9. For explanation purposes, IP addresses are usually broken up into which two areas.

a) Network & Host
b) Network A – Network B
c) Network C – Network D


10. Which of the following are valid IP addresses?

a) 199.0.1.9
b) 299.2.1.10
c) 10.0.3.223
d) 12.12.15.15
e) 257.234.138.10


11. Which IP addresses are not allowed to roam the Internet? These are also known as private addresses.

a) 12.12.12.12
b) 10.10.1.99
c) 172.31.29.90
d) 192.167.100.0
e) 192.168.100.0
f) 172.15.1.2


12. If you can ping to an IP address but not telnet to that same IP address, what is a possible problem?

a) Wrong IP address
b) Faulty NIC card
c) Upper layer functions not working
d) Faulty subnet assignment

ANSWERS


1.d) Step by step using ISO

2.a) Describe the OSI model

3.b) Meagan cannot access Server 2 but can access all other servers;
no other users report problems accessing Server 2

4.c) Baselining

5.c) Trace Route

6.c) ICMP

7.a) Layer 1

8.False

9.a) Network & Host

10.a) 199.0.1.9
c) 10.0.3.223
d) 12.12.15.15

11.c) Upper layer functions not working
b) 10.10.1.99
c) 172.31.29.90

12.e) 192.168.100.0