Test your basic knowledge |

Subjects : cisco, it-skills, ccna
Instructions:
  • Answer 50 questions in 15 minutes.
  • If you are not ready to take this test, you can study here.
  • Match each statement with the correct term.
  • Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. What is a protocol that provides connectionless network layer services?






2. 2 most commonly used media types in ethernet networks






3. Which IP packet field will prevent endless loops?






4. What subnet mask will an admin assign to the network address 172.30.1.0 if its possible to have 254 hosts?






5. What is the primary funcion of the trailer in the Data Link Layer encapsulation?






6. What is dinamically selected by the source host when forwarding data?






7. What is a characteristic of a single-mode fiber-optic cable?






8. What is the role of MTA in handling email?






9. What is PDU?






10. What command will you use to place the router into the correct mode to configure an appropiate interface to connect a LAN?






11. What is a drawback of the CSMA/CD access method?






12. What is the primary purpose of Layer 4?






13. When do changes take effect in a Cisco router?






14. Which device is used to create or divide broadcast domains?






15. What is a mechanism used by TCP to provide flow control as segments travel from source to destination?






16. At which layer of the TCP/IP model does ethernet operate?






17. How many host addresses can be assigned to a subnetwork when using the 130.68.0.0 network address w/ a subnet mask of 255.255.248.0?






18. What makes fiber preferable to copper for interconnecting buildings?






19. What is the purpose of the TCP/IP Network Application Layer?






20. 3 functions of the upper data link sublayer in the OSI model






21. If you have a PC - 3 routers and a Laptop... How many unique CRC calculation will take place as traffic routes from the PC to the Laptop?






22. What is a characteristic of a logical point-to-point topology?






23. A router interface has been assigned an IP address of 172.16.192.166 with a mask of 255.255.255.248. To which subnet does the IP address belong?






24. 2 characteristics of clients in data networks






25. If there are potential electrical and/or electromagnetic hazards - what type of media is recommended for backbone cabling?






26. An admin wants to evaluate all traffic in a network. To ensure that all packets are captured - what network device should be used?






27. Which combination of keys can be used to interrupt a ping or traceroute process?






28. What do the intermediary devices in the network do?






29. What is the role of the OSI Application Layer?






30. When a network service fails - which port is most often used to access a router for management purposes?






31. What information is added during encapsulation at OSI Layer 3?






32. What method of signal transmission uses radio waves to carry signals?






33. What characteristic of an UTP helps reduce interference?






34. Which type of cable is most often associated w/ fiber-optic cable?






35. 3 features that allow TCP to realibly and accurately track the transmission of data






36. After an ethernet collision - which device has priority to transmit data?






37. What is the purpose of the preamble in an ethernet frame?






38. What are key considering factors when grouping hosts into common networks?






39. Which layer supplies services and allows user interface?






40. What are 2 layers of the OSI model that have the same functions as the TCP/IP Network Application Layer?






41. Intermediary devices used to implement security between networks






42. How many bits make up an IPv4 address?






43. What are 2 email components used to forward mail between servers?






44. Host1 is in the process of setting up a TCP session with Host2. Host1 sent a SYN message to begin establishment - what happens next?






45. If you have an Ethernet Frame w/ a Header - Data and a Trailer. It is a...?






46. 3 primary functions of the data link layer encapsulation






47. What are 2 common characteristics associated w/ dynamic routing protocols?






48. What is the primary purpose of ARP?






49. Network Protocols






50. Important characteristic of UDP