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1 A few computers on the engineering segment are having problems reaching the AutoCAD design segment on the network, but they can access all other segments What is your initial diagnosis of the problem A It s a default gateway issue B It s a routing issue C The computers are having cable problems D A hub is locked up 2 All users on a coaxial bus topology network have suddenly complained that the network is not functioning and they can no longer access resources on the local or remote networks What is your initial diagnosis of the problem A It s a routing issue B It s a default gateway issue C The network is no longer terminated D A hub is locked up 3 You think you are having problems with the UNIX server in another region Two users have already complained this morning What would be the next logical step in your troubleshooting methodology A Check the router B Check the hub C Ping the UNIX server by name D Ping the UNIX server by IP address 4 You have a workstation that you moved from one cubicle to another Nothing on the workstation was changed, but the computer refuses to connect to the network Which of the following is a likely cause A The network drop has not been activated in the wiring closet B The cable was damaged in the move C The TCP/IP configuration is incorrect D The network adapter was damaged in the move

value of this field ranges from hex0 to hex FFF, wrapping to zero after the maximum value is reached

5 You are experiencing problems on a coax bus network How can you quickly determine where the problem is occurring A Divide the network in half, terminate it, and find which side is still not functioning That is the affected area Continue this process until the break is found B Use a network packet sniffer to determine where the packets eventually stop responding This will tell you which computer is the closest to the break C Use a fox-and-hound process to determine the location of the break in the network backbone D Use Network Monitor to determine what is causing the broadcast storm One computer s faulty network card is the likely culprit and must be found

interface) The netmask in this case will be 255255255192 If limited address space is available (meaning that the network has to use Internet-compatible addresses, which were assigned to a corporation by an Internet service provider), applying a netmask of 255255255192 to both serial ports will waste 60 addresses on the internetwork This is because a separate subnet is assigned to the link between router 1 and router 2, but only the serial ports on these routers need an IP address IP unnumbered gets around this problem by letting the router know that the serial port is on a point-to-point link, and allows each serial port to use the address of its respective router's Ethernet port for communications across the link Using IP unnumbered in this fashion prevents us from having to allocate a whole subnet to a point-to-point link Newname#conf t Newname(config)#int S0 Newname(config-if)#ip unnumbered E0 The Serial 1 line will be configured by entering the following: Newname(config)#int S1 Newname(config-if)#ip address 193111 2552552550 Newname(config-if)#ip address 194111 2552552550 sec A secondary IP address may be assigned to a router port if the number of host machines on that segment is about to exceed the number allowable by the current IP address and subnet scheme By assigning a secondary IP address, new hosts may be added to that segment without the need to reconfigure all the host's IP addresses already on the segment

6 Steve, a user on your network, just got back from a two-week vacation He calls you the first thing Monday morning Which of the following is most likely the reason for Steve s call A He forgot his password B His account has been disabled C His password has expired D A coworker changed Steve s password while he was on vacation

7 You came to work on Monday morning only to notice that you are having network problems Your domain controller, which also functions as a database server, appears to be having problems How can you further investigate the situation A Check the error log B Ping the server to see if it responds C Run diagnostics on the server D Restart the computer and then begin troubleshooting 8 You have made system configuration changes to one of your servers How can you tell if the changes have made a difference A Watch the server closely for a few hours, especially during peak usage B Run Network Monitor to perform an assessment of the current system activity and compare that with your previous baseline, taken before the configuration change took place C Run Performance Monitor to perform an assessment of the current system activity and compare that with your previous baseline, taken before the configuration change took place D Check the Event Viewer for errors, warnings, or any indicators that system degradation has occurred

The Acknowledgment Number field is also 16 bits in length This field contains the Sequence Number of the next packet SPX expects to receive If a packet is received with a Sequence Number less than the value of the Acknowledgment Number field value, the packet is considered in order No retransmission is required

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