CCNA FAQ: Point-to-Point WANs (Wide Area Network Connections) Question: Which of the following PPP authentication protocols authenticates a device on the other end of a link without sending any password information in clear text? a. MD5 b. PAP c. CHAP d. DES Answer: C. Of the possible answers, only PAP and CHAP are PPP authentication protocols. PAP sends the password as … [Read more...]
CCNA FAQ: OSPF
CCNA FAQ: OSPF Q1. Which of the following affects the calculation of OSPF routes when all possible default values are used? a. Bandwidth b. Delay c. Load d. Reliability e. MTU f. Hop count Answer: A. OSPF calculates metrics based on the cost associated with each interface. OSPF, by default, calculates interface cost based on the bandwidth setting. Q2. OSPF runs an … [Read more...]
CCNA FAQ: Data Link Networking Concepts
CCNA FAQ: Data Link Networking Concepts Q1. Which of the following is the IEEE standard for token ring? A. 802.2 B. 802.3a C. 802.3u D. 802.5 Answer: D. IEEE 802.5 defines token ring. Answers A, B, and C are incorrect because IEEE 802.2 defines LLC, 802.3a defines ethernet, and 802.3u defines Fast Ethernet. Q2. ANSI X3T9.5 is the specification for which LAN … [Read more...]
CCNA FAQ:Foundation Cisco IOS Operations
CCNA FAQ:Foundation Cisco IOS Operations Q1. What is the effect of changing the configuration register? Answer: By changing any of the values in the configuration register from its default value of 0x2102, you are altering how the router or switch operates during initialization. The last hexadecimal field in the configuration register is the boot field. This value determines … [Read more...]
CCNA FAQ: Physical Layer Networking Concepts
CCNA FAQ: Physical Layer Networking Concepts Q1. Which physical network topology is shown in the following diagram? A. Ring B. Bus C. Star D. Mesh Answer: B. This diagram represents the physical bus topology or the linear bus topology. This topology uses one cable as the trunk or backbone. Q2. Which physical network topology is shown in the following diagram? A. … [Read more...]
CCNA FAQ: Introduction to Cisco Routers and Switches
CCNA FAQ:Introduction to Cisco Routers and Switches Q1. Describe a GBIC. Answer: A GBIC interface module can be inserted into the Gigabit Ethernet slot to allow for different media connections to that port. The physical media can range from copper to single-mode fiber. A GBIC is also hot swappable, so it can be installed without interrupting service to that switch. Q2. List … [Read more...]
CCNA FAQ: IP Routing Static and Connected
CCNA FAQ: IP Routing Static and Connected Q1. A PC user turns on her computer, and as soon as the computer is up and working, she opens a web browser to browse http://www.ciscopress.com. Which protocol(s) would definitely not be used by the PC during this process? a. DHCP b. DNS c. ARP d. ICMP Explanation:D. The host might need to use Dynamic Host Configuration Protocol … [Read more...]
CCNA FAQ: Standard Internetworking Models
CCNA FAQ: Standard Internetworking Models Q1. What information can DHCP provide to clients? (Choose the 3 best answers.) A. Clock information B. IP information C. DNS information D. Gateway information Answer: B, C, D. DHCP works dynamically to provide IP address, DNS, and default gateway information. Answer A is incorrect because the Network Time Protocol (NTP) … [Read more...]
CCNA FAQ: Spanning Tree Protocol
CCNA FAQ: Spanning Tree Protocol Q1. Which of the following IEEE 802.1d port states are stable states used when STP has completed convergence? (Choose two answers.) a. Blocking b. Forwarding c. Listening d. Learning e. Discarding Answer: A and B. Listening and Learning are transitory port states, used only when moving from the Blocking to the Forwarding State. Discarding … [Read more...]
CCNA FAQ: Virtual LANs
CCNA FAQ: Virtual LANs Q1. In a LAN, which of the following terms best equates to the term VLAN? a. Collision domain b. Broadcast domain c. Subnet domain d. Single switch e. Trunk Answer: B Q2. Imagine a switch with three configured VLANs. How many IP subnets are required, assuming that all hosts in all VLANs want to use TCP/IP? a. 0 b. 1 c. 2 d. 3 e. You can’t … [Read more...]