Exam 23: Media Topologies

Which of these connectors does a V.90 modem use to connect to a telephone network?

Which of the following topologies is used by nodes on a 10BASE-T Ethernet network to connect to a central hub or repeater?

Alex the network administrator would like to increase throughput on the data link layer in the easiest manner possible. Which of the following will allow Alex to do this with the least amount of configuration?

Jeremy, a neighborhood IT was asked to install a home router for his friend Timothy. Timothy has requested that Jeremy make his home network as secure as possible. What level of encryption will best suit Timothy for his brand new router?

The administrator of a web server hosting xyz.com has set a TTL value for DNS equal to 36000 at 11:00 a.m. By what time of day would a user's request need to reach xyz.com's name server for DNS resolution?

Jack is hosting a web site on his server. He has enabled a paid service on his web site and wants to use his server to make financial transactions. Which feature should he enable?

Which of the following highlights the difference between a smart jack and a simple NID?

When you block traffic by default and allow only what you've specifically granted, it is called:

When communicating with a switch or router over a network and using the command line, which would be the best protocol to use?

Jane is a new network consultant and is designing a new network for a small business. She sees that the business will have fewer than 200 hosts that will need IP addresses. Jane knows that a Class C address should support this perfectly. She also knows that the private address range starts at 192, so she decides to make the address range 192.0.0.1 through 192.0.0.254. What, if anything, is wrong with Jane's choice of addresses?

Where is the best location for Tanya, an avid computer gamer, to install a game server in her home network?

Which of the following is a shortcoming of a DSL connection?

Jack is fooled by a person who introduces himself as new IT staff in his organization. On the person's request, Jack reveals the web server login details. Later he comes to know that the person was a fraud and confidential data has been stolen from the web server. What kind of attack has Jack encountered?

What is the type of cryptography used in TLS called?

Alex, a technician, wishes to be notified if a denial of service attack is being attempted, without any action being taken to keep the attack from happening. What should Alex implement on his network to allow this?

John is trying to install an application on his office desktop. He was able to install the software on his home PC (not connected to the Internet), which is identical to his office PC, but the application will not install on his office desktop. What could be stopping him from installing the application?

Bruce is a new network consultant and is designing a new network for a small business. Bruce sees that the business will have a mail server behind a firewall. What port needs to be open on the firewall for the server to send and receive email outside the local network?