ITNv7 Practice Final Exam Answers Flashcards
Which two acronyms represent the data link sublayers that Ethernet relies upon to operate? (Choose two.)
- LLC
- MAC
A network team is comparing topologies for connecting on a shared media. Which physical topology is an example of a hybrid topology for a LAN?
extended star
*** Refer to the exhibit. PC1 issues an ARP request because it needs to send a packet to PC3. In this scenario, what will happen next?
RT1 will send an ARP reply with its own Fa0/0 MAC address.
A network administrator is issuing the login block-for 180 attempts 2 within 30 command on a router. Which threat is the network administrator trying to prevent?
a user who is trying to guess a password to access the router
Which statement describes the characteristics of packet-filtering and stateful firewalls as they relate to the OSI model?
A packet-filtering firewall typically can filter up to the transport layer, whereas a stateful firewall can filter up to the session layer.
What are two ways to protect a computer from malware? (Choose two.)
- Use antivirus software.
- Keep software up to date
The employees and residents of Ciscoville cannot access the Internet or any remote web-based services. IT workers quickly determine that the city firewall is being flooded with so much traffic that a breakdown of connectivity to the Internet is occurring. Which type of attack is being launched at Ciscoville?
DoS
Which two statements describe the characteristics of fiber-optic cabling? (Choose two.)
- Fiber-optic cabling does not conduct electricity.
- Fiber-optic cabling is primarily used as backbone cabling
What OSI physical layer term describes the measure of the transfer of bits across a medium over a given period of time?
throughput
Refer to the exhibit. What is the maximum possible throughput between the PC and the server?
128 kb/s
Match the description with the media. (Not all options are used.)
STP = This type of copper media is used in industrial or similar environments where there is a lot of interference,
Wireless = This type of media provides the most mobility options.
Optical Fiber = This type of media is used for high transmission speed and can also transfer data over long distances.
Coaxial = Traditionally used for television but can now be used in a network to connect the customer location to the writing of the customer premises.
A client packet is received by a server. The packet has a destination port number of 22. What service is the client requesting?
SSH
***Refer to the exhibit. What does the value of the window size specify?
the amount of data that can be sent before an acknowledgment is required
To which TCP port group does the port 414 belong?
well-known
*****Refer to the exhibit. An administrator is trying to configure the switch but receives the error message that is displayed in the exhibit. What is the problem?
The administrator must first enter privileged EXEC mode before issuing the command.
