Token-Ring Network Implementation and Management Test 001 TEST INFORMATION: - Elective for Certified LAN Server Engineer - Number of questions: 84/85 - Passing % Score: 65 - Length (in minutes): 60 PREPARATION: - IBM Courses G3611 Token-Ring Network Implementation and Management Token-Ring Network Implementation and Management Test 001 Objectives Version 1 SECTION 1 - OVERVIEW - Describe the Token-Ring network in relation to: - Topology - Media access control - Media - Transmission technique SECTION 2 - DATA FORMAT - List the major fields in a generalized Token-Ring frame. - Describe the major function performed by these fields. SECTION 3 - MEDIA ACCESS CONTROL - Describe media access control functions. - List the functions of the active monitor. - Describe the purpose of: - Ring poll - Monitor contention - Ring purge - List the ring insertion steps. - Describe the media access control frame. - Describe early token release and its purpose. SECTION 4 - HARDWARE - Describe the function and operation of Token-Ring components. - List Token-Ring media alternatives. - Describe Token-Ring cabling methods. SECTION 5 - LOGICAL LINK CONTROL - List the types of transmission supported by LLC. - Describe the purpose of: - Service access points - Link stations - Describe connection oriented message flow. - Contrast connection oriented and connectionless message flows. - State the significance of link control parameters. SECTION 6 - WORKSTATION INTERFACES - Describe the purpose of the PC Token-Ring adapter card. - List the software interfaces to the adapter card. SECTION 7 - PHYSICAL PLANNING - Identify factors that determine maximum ring size. - Determine ring size for: - Rings using IBM cabling system components. - Rings using UTP media. - Be able to document a Token-Ring network. SECTION 8 - BRIDGES - Describe the function of Token-Ring bridges/remote bridges. - List the major ring topologies using bridges and state an advantage of each. - Describe source routing. - List bridge requirements. SECTION 9 - PROBLEM DETERMINATION - Describe Token-Ring error conditions. - Describe the automatic processes for resolving ring errors. - Interpret error messages to identify the failing portion of the ring. - Describe the steps for resolving Token-Ring problems. SECTION 10 - NETWORK MANAGEMENT - Describe the network management tools available from IBM for managing Token-Ring LANs. Token-Ring Network Implementation and Management Sample Test 001 Version 2 SECTION 1 - OVERVIEW 1. Which topology does the IBM Token-Ring network use? a. logical ring b. modified ring c. expanded ring d. star-wired ring 2. The term media refers to a. the type of devices used on a network b. the transmission technique; ie., baseband or broadband c. the entity that carries data between devices on the network d. the LAN support software installed in the devices on a network SECTION 2 - DATA FORMAT 3. A ________ address is a specific type of a locally administered group address. a. universal b. functional c. workstation d. network 4. The RI field of a frame is required if the frame is a. a priority frame from a bridge b. an error frame to be re-sent by the source station c. being forwarded through the ring-in port of an 8228 d. to be forwarded across a bridge to other rings 5. Which address does bit 0 of byte 2 of the address field in a group address define? a. the universal address b. the functional address c. the individual address d. the destination address SECTION 3 - MEDIA ACCESS CONTROL 6. Which will an adapter do if the Media Access Control (MAC) layer in the adapter recognizes its own address in the destination address of a frame? a. Purge the ring. b. Copy that frame. c. Transmit a beacon frame. d. Start monitor contention. 7. What happens when the T(any_Token) timer expires? a. The Active Monitor assumes that a timer on the ring has expired. b. The Active Monitor restarts the T(any_Token) timer and issues a free token. c. The Active Monitor assumes that a token or frame was present on the ring. d. The Active Monitor assumes that a token or frame was lost on the ring and issues a Ring Purge MAC frame. 8. What happens when a ring station detects a duplicate address during ring insertion? a. Both ring stations remove themselves from the ring. b. The inserting ring station removes itself from the ring. c. The Active Monitor forces one of the ring stations off the ring. d. One ring station uses its universal address, while the other ring station uses its locally administered address. SECTION 4 - HARDWARE 9. How is a ring of IBM 8228 Multistation Access Units configured? a. By connecting all RI connectors to RI connectors on each 8228. b. By connecting all RO connectors to RI connectors on each 8228. c. By connecting all RO connectors to RO connectors on each 8228. d. By connecting all RI connectors to RO connectors of adjacent 8228s. 10. What is the maximum number of devices that can be connected to a single ring using EIA/TIA Category 3, 4, or 5 Unshielded Twisted-Pair (UTP) cabling and 16/4 token-ring adapters? a. up to 72 devices at 4 Mbps only b. up to 72 devices at 4 or 16 Mbps c. up to 132 devices at 4 Mbps only d. up to 132 devices at 4 or 16 Mbps 11. Which statement about filtering when using UTP and Passive LAMs at 16 Mbps is true? a. Filtering is not required on the lobe. b. Filtering is required at the workstation end of the lobe only. c. Filtering is required at the access unit end of the lobe only. d. Filtering is required at both the workstation end and the access unit end of the lobe. SECTION 5 - LOGICAL LINK CONTROL 12. Which command distinguishes a connection-oriented message from a connectionless message? a. Receiver Ready (RR) b. Information, No Poll c. Set Asynchronous Balance Mode Extended (SABME) d. Unnumbered Information (UI) expecting a response 13. Which statement about the LLC services for NETBIOS is true? a. The LLC services for NETBIOS are not used. b. The LLC services for NETBIOS do not use link stations. c. The LLC services for NETBIOS are SAP addresses only. d. The LLC services for NETBIOS are both connection-oriented and connectionless. 14. Which statements about LLC services are true? a. T1, T2 or Ti timers are used with LLC connectionless services. b. Send and receive counters are used in connection-oriented LLC services. c. A SABME command is used to initialize the link stations using connection-oriented LLC services. d. When using LLC connectionless service, the only type of frame used for data transfer is Unnumbered Information. 15. Which timer is used with LLC connectionless service? a. Reply Timer (T1) b. Inactivity timer (Ti) c. Receiver Acknowledgment Timer (T2) d. no timers are used with connectionless service SECTION 6 - WORKSTATION INTERFACES 16. Which statement about functional addresses is true? a. Active functional addresses must not be duplicated on the network. b. Functional addresses may be implemented by application software. c. A device can have only one functional address in addition to a universal or local address. d. Functional addresses may not be used with adapters containing universally administered addresses. 17. Which is the correct name for the NETBIOS device driver for the IBM LAN Support Program? a. DXMA0MOD.SYS b. DXMC0MOD.SYS c. DXMG0MOD.SYS d. DXMT0MOD.SYS SECTION 7 - PHYSICAL PLANNING 18. Which is the Adjusted Ring Length (ARL) of a network with the main ring path consisting of 100', 150', 200', 300' cable lengths? a. 100 feet b. 650 feet c. 750 feet d. 1300 feet 19. How many additional feet of Type 1 cable are added to the Adjusted Ring Length (ARL) calculation if surge suppressers are used between wiring closets? a. 100 feet b. 150 feet c. 200 feet d. 250 feet 20. When using UTP media on 16 Mbps rings containing multiple wiring closets, UTP lobes must be completely contained within a single wiring closet a. with 8220s or 8230s connecting the main ring path to adjacent wiring closets b. with surge suppressers connecting the main ring path to adjacent wiring closets c. with LAN Network Manager controlling all devices in adjacent wiring closets d. with LAN Station Manager controlling all devices in adjacent wiring closets 21. Where can you find blank token-ring cabling charts and ring sequence charts to assist in documenting your network? a. in the LAN Server Handbook b. in the LAN Administrator Guide c. in the Problem Determination Guide d. in the Introduction and Planning Guide SECTION 8 - BRIDGES 22. When installing and configuring multiple bridges using the IBM Bridge Program which statement is true? a. Filters can be configured and used only on remote bridges. b. Segment numbers should be unique within a bridged Token-Ring network. c. LAN Support Program must be installed and configured first in each bridge. d. Every bridge must be configured with a unique 'bridge number' within the network. 23. In a source routing environment, a station that receives an all-routes broadcast route discovery frame will normally respond with a. a non-broadcast frame b. a single-route broadcast frame c. an all-routes broadcast frame d. a frame with no routing information field SECTION 9 - PROBLEM DETERMINATION 24. Which is an example of an isolating soft error? a. a cut or broken main ring path cable b. a ring station detecting a request parameters frame c. a ring station detecting a Frame Check Sequence error d. a power loss at the wiring closet where a repeater pair is located 25. What does the NAUN of a beaconing ring station do when it receives a Beacon MAC frame? a. It assumes the role of Ring Error Monitor. b. It transmits a command to its downstream neighbor to close its adapter. c. It leaves the ring and tests its adapter logic and its lobe connection. d. It reports its address and its downstream neighbor's address to the Ring Error Monitor. 26. Below are message lines from a Ring Diagnostic Program display: 10/12/93 19:38:36 DFIPD001I Ring diagnostic started -------> 10005A2CA395 000008A78064 0000006666666 000000A33832C What is 10005A2CA395? a. It is the universal address of the network station that is running the Ring Diagnostic Program. b. It is the locally administered address of the network station that is running the Ring Diagnostic Program. c. It is the universal address of the NAUN of the network station that is running the Ring Diagnostic Program. d. It is the locally administered address of the NAUN of the network station that is running the Ring Diagnostic Program. 27. Which is the last action performed at the end of phase 1 (ring recovery) of problem determination? a. running the IBM Ring Diagnostic Program b. reconnecting the fault domain to the ring c. disconnecting the fault domain from the ring d. repairing (replacing/exchanging) the defective component SECTION 10 - NETWORK MANAGEMENT 28. Which are logged by the LAN Network Manager during operation? a. bridge link failures b. hard and soft errors c. workstation performance statistics d. configuration changes (if selected during configuration) ANSWER KEY 1. d 15. d 2. c 16. b 3. b 17. d 4. d 18. b 5. b 19. c 6. b 20. a 7. d 21. d 8. b 22. b 9. d 23. a 10. d 24. c 11. d 25. c 12. ac 26. a 13. d 27. c 14. bcd 28. abd