WorksheetsModule 3 - The Internet 3
Total questions: 18
Worksheet time: 9mins
To securely transfer a large file you should use this protocol....
Telnet
SSH
SFTP
SSHTP
S-Telnet
Penny calls Sheldon to troubleshoot her VoIP connection. What kind of cable is MOST likely connected to the telephone...?
CAT 3 cable
USB cable
CAT 6 cable
Single-mode fiber
HDMI cable
Raj installs a new firewall, but now he can't send emails... What port in the firewall
21
25
110
22
443
When Sheldon tries to access www.BigBang.com he is directed to www.YoungSheldon.com. This problem only occurs at this one website. What is probably the issue....?
The DNS server is down
The DHCP server is misconfigured
The HOSTS file has an entry mapping the IP address for www.YoungSheldon.com to the name www.BigBang.com
The router has an entry mapping the IP address for www.BigBang.com to www.YoungSheldon.com
His port configuration is wrong
A client reports that their VoIP phone screen displays a "Duplicate IP address" error. Which of the following is the first action to try to resolve this problem?
Change MAC address settings
Call the vendor
Try another LAN connection
Replace the screen on the phone
Reboot the phone
If you want a good replacement for POTS then try....
PSTN
VoIP
Dial-up
VPN
DSL
SSH uses port number.....?
21
110
3389
22
25
A DSL modem uses this type of transmission medium.....
Cable TV coax
Fiber optic cable
Wireless adapter
Household telephone lines
Satellite Dish
To send and to receive email you would use which two of the ports below...?
25
53
80
110
443
A user has installed a new wireless router and is unable to connect their game console to the manufacturer's network service. Which of the following should the technician look for first?
Ensure the game system has a static IP address
Contact the manufacturer to see if service is available
Ensure the correct ports are open
Ensure the game system has updated firmware
FTP (File Transfer Protocol) uses which of the following TCP/IP Protocols and ports?
TCP, with ports 20 & 21
UDP, with ports 20 & 21
TCP with port 20, UDP with port 21
TCP with port 40, HTTP with port 80
UDP with port 80, TCP with port 40
HTTP and HTTPS differ in that the data is ___________________ and it uses port _____________.
Compressed, 110
Throttled, 143
Encrypted, 443
Password protected, 80
Limited, 8080
Traditionally e-mail uses this port to receive mail...?
80
110
143
443
343
A digital internet connection that runs over standard telephone wiring is called this....
T-3
Cable
Fiber Optic
Dial-up
DSL
Leonard needs to create a secure connection with a remote host. Sheldon tells Leonard he needs to use which of the following....?
Telnet
SSH
FTP
HTTP
DSL
You will find this type of connector between a DSL modem and the wall.....
RJ-45
LC
SC
RJ-11
BNC
A user calls the help desk and states that she suddenly cannot connect to the Internet or any other network resources. The user is on a company network that uses DHCP. The technician runs IPCONFIG from the command prompt and the PC has an IP address of 0.0.0.0. Which of the following steps should the technician perform first to troubleshoot this issue?
Check the network cable
Replace the network card
Assign a static IP address
Reinstall the network drivers
Try turning it off and on
A bad choice for VoIP for Internet Service is which of the following....?
Satellite
Cable
DSL
Dial-up
Fiber optic
