cisco 26-52

26 What will happen if the default gateway address is incorrectly configured on a host?

• • The host cannot communicate with hosts in other networks.

• • The host cannot communicate with other hosts in the local network.

• • A ping from the host to 127.0.0.1 would not be successful.

• • The switch will not forward packets initiated by the host.

27 Users report that the network access is slow. After questioning the employees, the network administrator learned that one employee downloaded a third-party scanning program for the printer. What type of malware might be introduced that causes slow performance of the network?

• spam

• Virus

• Worm

• Phishing

28 A company has a file server that shares a folder named Public. The network security policy specifies that the Public folder is assigned Read-Only rights to anyone who can log into the server while the Edit rights are assigned only to the network admin group. Which component is addressed in the AAA network service framework?

• automation

• authorization

• accounting

• authentication

29 What are two common causes of signal degradation when using UTP cabling? (Choose two.)

• • loss of light over long distances

• low-quality cable or connectors

• • low-quality shielding in cable

• improper termination

• • low-quality shielding in cable

30 Which scenario describes a function provided by the transport layer?

• A student is using a classroom VoIP phone to call home. The unique identifier burned into the phone is a transport layer address used to contact another network device on the same network.

• A corporate worker is accessing a web server located on a corporate network. The transport layer formats the screen so the web page appears properly no matter what device is being used to view the web site.

• A student is playing a short web-based movie with sound. The movie and sound are encoded within the transport layer header.

• • A student has two web browser windows open in order to access two web sites. The transport layer ensures the correct web page is delivered to the correct browser window.

31 Which two protocols operate at the top layer of the TCP/IP protocol suite? (Choose two.)

• POP

• DNS

• IP

• TCP

• Ethernet

32 An employee of a large corporation remotely logs into the company using the appropriate username and password. 3 answers

• security

• scalability

• quality of service

• fault tolerance

• powerline networking

33 Refer to the exhibit. If PC1 is sending a packet to PC2 and routing has been configured between the two routers, what will R1 do with the Ethernet frame header attached by PC1?

• open the header and use it to determine whether the data is to be sent out S0/0/0

• open the header and replace the destination MAC address with a new one

• nothing, because the router has a route to the destination network

• remove the Ethernet header and configure a new Layer 2 header before sending it out S0/0/0

34 Which three layers of the OSI model map to the application layer of the TCP/IP model? (Choose three.)

• transport

• application

• network

• session

• presentation

36 What does the term “attenuation” mean in data communication?

• strengthening of a signal by a networking device

• leakage of signals from one cable pair to another

• loss of signal strength as distance increases

• time for a signal to reach its destination