CISCO Certification Questions

• Which layer of the OSI model offers three different modes of communication : Simplex, half duplex, and full duplex?
• A receiving host has failed to receive all of the segments that it should acknowledge. What can the host do to improve the reliability of this communication session?
• When a station sends a transmission to the MAC address ff : ff : ff : ff : ff : ff, what type of transmission is it?
• If a hub has three computers connected to it, how many broadcast and collision domains is the hub creating?
• Which layer is used for reliable communication between end nodes over the network and provides mechanisms for establishing , maintaining , and terminating virtual circuits; transport - fault detection and recovery; and controlling the flow of information?
• Which layer ensures the trustworthly transmission of data across a physical link and is primarily concerned with physical addressing, line discipline, network topology, error notification, ordered delivery of frames, and flow control?
• Which of the following connection mechanism is used by Ethernet?
• Which part of a MAC address is called the organizationally unique identifier(OUI)?
• You want to implement a network medium that is not susceptible to EMI. Which type of cabling should you use?
• Which of the following is part of the IEEE 802.3u standard?
• When making a HyperTerminal connection, what must the bit rate be set to?
• What is the specific term for the unwanted signal interference from adjacent pairs in the cable?
• In the operation of CSMA/CD, which host(s) have priority after the expiration of the backoff algorithm?
• Which of the following is correct?
• Convert the following from decimal IP address to binary format. 192.168.10.15
• Convert the following from binary format to hexadecimal 11001010.11110101.10000011.11101011
• A static map to the S-AMER location is required. Which command should be used to create this map? A. frame-relay map ip 172.16.1.3 704 broadcast B. frame-relay map ip 172.16.1.3 196 broadcast C. frame-relay map ip 172.16.1.3 702 broadcast D. frame-relay map ip 172.16.1.3 344 broadcast
• As a Cisco technician, you need to know EIGRP protocol very well. Which of the following is true about EIGRP successor routes? (Choose two) A. A successor route is used by EIGRP to forward traffic to a destination B. Successor routes are stored in the neighbor table following the discovery process C. Successor routes are flagged as "active" in the routing table D. A successor route may be backed up by a feasible successor route
• Users on the 192.168.10.0/24 network must access files located on the Server 1. What route could be configured on router R1 for file requests to reach the server? A. IP route 0.0.0.0 0.0.0.0 s0/0/0 B. IP route 0.0.0.0 0.0.0.0 209.165.200.226 C. IP route 209.165.200.0 255.255.255.0 192.168.10.250 D. IP route 192.168.10.0 255.255.255.0 209.165.100.250
• All hosts in the networks have been operational for several hours when the DHCP server goes down. What happens to the hosts that have obtained service from the DHCP server? A. The hosts will not be able to communicate with any other hosts. B. The hosts will continue to communicate normally for a period of time. C. The hosts will be able to communicate with hosts outsides their own network D. The hosts will only be able to communicate with other hosts by IP address not by host name