PAPER : Some Important Question & Answer CCNA (Part - 5)

1. ARP and AURP are not part the application layer of the TCP/IP stack. SMTP - Simple Mail Transfer Protocol, Telnet, DNS - Domain Name Services (name to IP resolution). Identify 3 LAN technologies?
   * FDDI
   * HDLC
   * HSSI
   * X.25
   * 802.3
   * 802.5
   Correct answer: A E F
   
   
   
2. The question is asking for 3 LAN technologies, HDLC, HSSI and X.25 are all WAN technologies. Identify the 4 that are not LAN technologies?
   * HDLC
   * FDDI
   * 802.5
   * HSSI
   * SDLC
   * Frame Relay
   Correct answer: A D E F
   
   
   
3. 802.5 and FDDI are LAN technologies Which OSI layer supports the communication component of an application?
   * Data-Link
   * Physical
   * Session
   * Presentation
   * Application
   * Transport
   Correct answer: E
   
   
   
4. Layer 7 the Application layer performs this function. Identify the length of an IPX address and it’s components?
   * 80 bits, 48 bits network and 32 bits node
   * 32 bits, 16 bits network and 16 bits node
   * None of the above
   * 80 bits, 32 bits network and 48 bits node
   Correct answer: D
   
   
   
5. IPX address has 2 components; network and node. The network address is 32 bits and the node is 48 bits, total of 80 bits. Identify the administrative distance and appropriate routing protocol?
   * RIP = 255, IGRP = 100
   * RIP = 100, IGRP = 120
   * RIP = 1, IGRP = 0
   * RIP = 120, IGRP = 100
   Correct answer: D
   
   
   
6. The administrative distance for RIP is 120 and IGRP is 100. The lower the AD the better the routing information. Which OSI layer incorporates the MAC address and the LLC?
   * Data link
   * Network
   * Physcial
   * Transport
   Correct answer: ): A
   
   
   
7. Layer 2 the Data-Link layer incorporates the MAC and LLC sublayers If configuring a Cisco router to connect to a non-Cisco router across a Frame Relay network, which encapsulation type would you select?
   * Q933a
   * ISDN
   * IETF
   * CISCO
   * ANSI
   Correct answer: C
   
   
   
8. There are two types of Frame Relay encapsulations; Cisco and IETF. IETF is required when connecting a Cisco to a non-Cisco router. Identify the 2 items that TCP and UDP share in common?
   * Both use port numbers to identify upper level applications
   * Operate at the Network layer
   * Both are Transport protocols
   * Both are reliable communications
   Correct answer: A C
   
   
   
9. TCP and UPD are both layer 4 Transport protocols and both use port number to identify upper level applications. Identify 3 characteristics of IP RIP?
   * Distance vector
   * Administrative distance is 120
   * Periodic updates every 60 seconds
   * Uses a composite metric
   * Can load balance
   Correct answer: A B E
   
   
   
10. IP RIP is a distance vector protocol, it can load balance up to 4 equal cost paths and it’s rating of trustworthiness is 120. Which of the following is a layer 2 device?
    * Switch
    * Router
    * Repeater
    * Hub
    Correct answer: A
    
    
    
11. A Hub and Repeater are layer 1 devices. A Router is a layer 3 device. Identify the definition of demarcation?
    * Date in which the WAN service contract expires
    * Cabling which extends from the WAN service provider to the customer
    * Division of responsibility, where the CPE ends and the local loop begins
    * Equipment which is located at the customer premises
    Correct answer: C
    
    
    
12.  Demarcation is the point in which responsibility changes hands.Identify the 3 key features of the Cisco Discovery Protocol?
    * Off by default
    * Will allow for the discovery of layer 3 addresses on neighbor routers
    * Verify connectivity
    * Open standard
    * Does not require any layer 3 protocols to be configured
    Correct answer: B C E
    
    
    
13. CDP is used for 2 basic reasons; neighbor connectivity and layer 3 discovery if configured. It is proprietary and is on by default. Identify the 3 characteristics of IPX RIP?
    * Distance vector
    * Does not support multiple paths
    * 60 second updates
    * Default encapsulation is SAP
    * Uses ticks and hop count as a metric
    Correct answer: A C E
    
    
    
14. IPX RIP is a distance vector routing protocol, it does support multiple paths, the default encapsulation is ‘novell-ether’, it uses tick count as a primary metric and hop count as a tie breaker and it sends it’s updates every 60 seconds. Identify the access-list range for an extended IP access-list?
    * 800 - 899
    * 1 - 99
    * 1000 - 1099
    * 100 - 199
    Correct answer: D
    
    
    
15. IP extended access-lists use the number range of 100-199. Identify the X.25 addressing standard?
    * X.121
    * X.25a
    * ITU-1
    * Q933a
    Correct answer: A
    
    
    
16. The X.25 layer 3 addressing standards is X.121. Identify 3 features of IGRP?
    * Composite metric
    * New horizon
    * Flash updates
    * 60 periodic updates
    * Poison reverse
    Correct answer: A C E
    
    
    
17. IGRP uses a composite metric made up of bandwidth and delay by default, it updates every 60 seconds and will trigger an update if the topology changes. Where is the backup configuration file stored?
    * RAM
    * ROM
    * Console
    * NVRAM
    Correct answer: D
    
    
    
18. One location to store the backup configuration is NVRAM. Identify the correct pair of Novell Ethernet encapsulation and Cisco terminology?
    * Ethernet II, Snap
    * Ethernet 802.3, Novell-Ether
    * Ethernet SNAP, Arpa
    * Ethernet 802.2, Snap
    Correct answer: B
    
    
    
19. The default IPX LAN encapsulation is Novell-Ether which is 802.3 Identify 3 characteristics regarding IP access-lists?
    * Can be configured as a standard access-list
    * Can be run from another router running IP
    * Can be configured as a named access-list
    * Are the same as IPX access-lists
    * Can be configured as an extended access-list
    Correct answer: A C E
    
    
    
20. There are 3 types of IP access-lists; standard, extended and named. Named access-lists can be either standard or extended depending on how they are configured. Identify 3 ways in which a router can be configured?
    * TFTP
    * Nvram
    * Ping
    * Console
    * Trace
    Correct answer: A B D
    
    
    
21. Changes to the configuration can be entered via the console, a config stored in NVRAM or on a TFTP server. Trace and ping are tools to verify connectivity. A traffic light is an example of what type of mechanism?
    * Collision detection
    * Flow control
    * Sequence numbering
    * Network management
    Correct answer: B
    
    
    
22. A Traffic light is an example of flow control. Windowing is a type of?
    * Negative acknowledgement
    * Address resolution
    * Layer transition mechanism
    * Flow control
    Correct answer: D
    
    
    
23. Windowing allow the sender and receiver to dictate how much information that can be received prior to an acknowledgement. It is a form of flow control. Identify the 2 types of access-list filters that control SAP traffic?
    * Novell-ether
    * Arpa
    * Input-sap-filter
    * Round-robin
    * Output-sap-filter
    Correct answer: C E
    
    
    
24. SAP’s can be blocked by 2 methods; inbound and outbound. Identify the 3 guidelines for routers in the same autonomous system?
    * Must be configured for IGRP or RIP
    * Interconnected
    * Assigned the same autonomous system number
    * Configured for the same routing protocol
    * Must be same model of router
    Correct answer: B C D
    
    
    
25. Autonomous system must be interconnected, assigned the same AS # and configured with the same routing protocol. Identify the hardware component used to store buffers, tables, running-configuration etc?
    * NVRAM
    * ROM
    * RAM
    * Flash
    Correct answer: C
    
    

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