Ch 6 Test Review
A device has been assigned the IPv6 address of 2001:0db8:cafe:4500:1000:00d8:0058:00ab/64. Which is the network identifier of the device?
2001:0db8:cafe:4500
Wireless Application Protocol (WAP)
Accessing information over a mobile wireless network
Dynamic IP Address
An IP address that is assigned to a device upon request and may change when the DHCP lease expires or is terminated
What does a solid green LED light on a NIC mean?
Card is connected / receiving signal
Which protocol dynamically assigns IP addresses to network devices?
DHCP
Default Router issues - Potential Hacking Problems
Disabling UPnP, Change default admin username and password on router, firewall settings, SSID settings
What are potential hacking problems with default router settings?
Firewall is not on, UPnP needs to be disabled, default admin username and password on router, SSID needs to be changed
Which protocol is used by ping to test connectivity between network hosts?
ICMP
A computer is assigned an IP address of 169.254.33.16. What can be said about the computer, based on the assigned address?
It cannot communicate outside its own network
What is IP address conflict?
It means that two or more devices were set up with the same IP Address, usually when one is set dynamically and the other is set statically
What does the gateway address reference / mean when looking at your IP Address?
It will tell you what network you are on
The process that a wireless router uses to translate a private IP address on internal traffic to a rotatable address for the internet is called ...?
NAT (Network Address Translation)
What is the most common reason for changing the broadcast on your router?
Overlapping channels with a lot of devices trying to use the wifi will slow everyone's connection down, moving to a non overlapping channel will help speed up a specific user's connection
A customer has a web server for a small business. The business uses both wired and wireless networking. A linksys WRT300N wireless router provides a wireless and wired connectivity. What firewall option may be enabled in order for customers to gain access to the web server from their remote locations?
Port Forwarding
If you get an address of 169.254.x.x, what possibly exists?
The DHCP is not on or isn't seen by device
What happens when you leave a NIC setup as a static and move the computer to another network?
The IP address will stay the same until it is manually changed to the new network
When looking at an "IPConfig /all" command result, what indicates the MAC address of the computer?
The Physical Address
A new computer workstation has been installed in a small office. The user of the workstation can print a document using a network printer on the LAN, but cannot access the Internet. What is a possible cause of the problem?
The gateway IP address is misconfigured
A user reports that the corporate web server cannot be accessed. A technician verifies that the web server can be accessed by it's IP address. What are possible causes of the problem?
The web server information misconfigured on the DNS server and the DNS server address is misconfigured on the work station
A technician wishes to update the NIC driver for a computer. What is the best location for finding new drivers for the NIC?
The website for the manufacturer of the NIC
A wireless router is displaying the IP address of 192.168.0.1. What could this mean?
The wireless router still has the factory default IP address
Which filtering method uses IP addresses to specify allowed devices on your network?
Whitelisting
What is a result when the DHCP servers are not operational in a network?
Workstations are assigned with IP address in the 169.254.0.0/16
Wired Equivalent Privacy (WEP)
a security protocol, specified in the IEEE Wireless Fidelity, that is designed to provide a WLAN with a level of security and privacy
WAP 2
a type of encryption used to secure the vast majority of wireless networks
What is a Dynamic IP address?
an IP address that is automatically set up by DHCP device
What is a Static IP address?
an IP address that is set up manually by a user
What does a DHCP server do?
file server which manages a pool of IP addresses available for lease by authorized clients for a specific period of time.
A computer has been assigned the IP address of 169.254.33.16. What command initiates the process of requesting a new IP address?
ipconfig /release
What Command can be used to troubleshoot domain name resolution issues?
nslookup
What is Port Forwarding?
sets up public services on your network such as web servers, FTP servers, email servers, or other specialized Internet applications.
What is port triggering?
sets up the router so that computers can access public services outside the network or on the Internet, such as web servers, File Transfer Protocol (FTP) servers, email servers, game servers or other Internet applications.
What is the problem if a computer automatically configures an IP address in the 169.254.x.x address range?
the DHCP server is unreachable
