CCNA Practice Final Exam 1 Questions and Answers with complete

What is the default subnet mask for an IP address of 64.100.19.14? - Answer-255.0.0.0 A network administrator has been notified that users have experienced problems gaining access to network resources. What utility could be used to directly query a name server for information on a destination domain? - Answer-nslookup What does the term "attenuation" mean in data communication? - Answer-loss of signal strength as distance increases What is the function of CSMA/CA on a wireless Ethernet network? - Answer-to prevent collisions The area covered by a single AP is known as what? - Answer-basic service set The help desk at a large packaging company receives a call from a user who is concerned about lost data files on the local PC. The help desk technician learns that the user clicked on an icon that appeared to be a program update, but no updates were scheduled for that program. What type of attack has likely occurred? - Answer-worm Which installation option enables a single physical resource to function simultaneously as multiple logical resources? - Answer-multi-boot Which part of the electromagnetic spectrum is commonly used to exchange data between a PDA and a computer? - Answer-infrared A company has a web server that must be accessible to both external and internal clients. Which security policy best practice should be followed to maximize security of the server? - Answer-Place the web server in a DMZ What is specified by the host bits in an IP address? - Answer-identity of the computer on the network For an IP address, what component decides the number of bits that is used to represent the host ID? - Answer-subnet maskWhat advantage does a peer-to-peer network have over a client-server network? - Answer-It increases scalability. Refer to the exhibit. If H4 sends a message to H1 and the destination MAC address is in the MAC table for both Switch1 and Switch2, which host devices will receive the message? - Answer-only H1 Refer to the graphic. Assume that the exhibited output is from a host that is connected to a Linksys integrated router. What is one of the first things you should check? - Answer-link status LED on the front of the router Which of the following are the address ranges of the private IP addresses? (Choose three.) - Answer- 10.0.0.0 to 10.255.255.255, 172.16.0.0 to 172.31.255.255, 192.168.0.0 to 192.168.255.255 When acting as a DHCP server, an integrated router can provide what three types of information to a client? (Choose three.) - Answer-default gateway, dynamic IP address, DNS server address What is the purpose of spam filter software? - Answer-It examines incoming e-mail messages to identify the unsolicited ones.