System Support Interview Questions Part 2

System Support Interview Questions Part 2
112.How does ToS bit work ?
113.Describe methods of QoS ?
114.Describe How VoIP works ?
115.Describe What a VPN is and How it works ?
116.Describe What network statistics or measurement tools you are familiar with and How you have used them ?
117.Have you worked in an assignment based environment, e.g. work request or trouble ticket system, and if so, describe that environment ?
118.How do you manage a long term demanding stressful work environment ?
119.Describe a recent short term stressful situation and How you managed it ?
120.How do you manage multiple concurrent high level projects ?
121.What platforms do you currently work on at your desk ?
122.What do you use to write documentation ? Editor ? Mail reader ?
123.Describe How SNMP works ?
124.What is a network management system ?
125.Describe an access list and What it does ?
126.Describe a routing filter and What it does ?
127.What do you see as current networking security issues ?
128.When do you use BGP, IGRP, OSPF, Static Routes ?
129.What is a metric ?
130.What is a route flap ?
131.How do you use a routing table and for What ?
132.How do you display a routing table on a Cisco ? On a host ?
133.What routing problems have you troubleshot ?
134.Describe the commands to set up a route ?
135.What routing protocols have you configured ?
136.Explain the contents of a routing table ?
137.What LAN analyzer tools are you familiar with and describe How you use them to troubleshoot and on What media and network types ?
138.What is the last major networking problem you troubleshot and solved on your own in the last year ?
139.Describe a case where you have used these tools to troubleshoot ?
140.What is different between instalation and configuration ?
141.How do you distinguish a DNS problem from a network problem ?
142.What is the purpose of VRRP ?
143.What is a runt, Giant, and collision ?
144.Why do we need memory protection and How the protection is eccomplished by the CPU ?
145.What are the advantage of the variant of linked location that uses a fat to chain to gether the blockes of the files ?
146.What is Starvation ? How starvation is avoided in UNIX and WINDOWS Operating System ?
147.What is Difference between the domain security settings and domain controller security settings in windows server 2003 standard edition ?
148.What are the Differences between multiprocessing and multitasking systems ? Give Examples for both ?
149.We have a workstation with Windows XP. We want to be very limited/restrictive in it use. Is there a way to lock the user from right-clicking on the network connection icon and opening it ?
150.What is the logic of the conversion of a source code of a program into its object code ? What has the loader and linker's function after that ?
151.Why unix is more stable than windows ?
152.How we can say unix has greater flexibility than windows ?
153.What is deference windows 2000 server and windows 2003 server ?What is deference windows 2000 pro and windows xp pro ?What is new in windows 2008 server ?
154.What is the Difference between UNIX and windows in process management ?
155.What are the designer and implementation challenges respect to process synchronization and deadlock management ?
156.What is the Difference between x86 and i386 computer ?
157.What are the latest versions of dos ?How does it help in booting the system ?What are commands used ?
158.which is the best page replacement algorithm and y ?
159.Explain about Unix and Windows Virus details
160.What is boot processing computer ?
161.What is the Difference between blocking and waiting state of process ?
162.What is superscop ?
163.How do you set port free in Windows O.S ?.
164.How chkdsk command works ?
165.What are the Difference between FAT32 and NTFS ?.
166.When a user clicks a particular file or an .exe file on a computer, What process does the system go through before the actual file is loaded onto the desktop ?
167.What is page fault ?
168.which of the following system software resides in main memory always ?
169.which of the service(protection,accounting,compilation, I /O operation) is not suppoted by operating system ?
170.What is the mail process from source to destination ?
171.How to deploy war or ear files in Unix/Linux boxes, can any one help me with one example ?
172.What is the Difference between outlook exp and ms outlook ?
173.In windows 2003 built in fire wall is there or not ?
174.What is pst file in out look express ?If user account created, where does it store. (location) ?
175.What is the Difference between synchronization and mutual exclusion ?
176.What is Difference between Global catalog and infrastructure master ?
177.What is Difference between win95, 98, 2000, and NT ? What is Difference between unix and linux ? Difference between windows and unix ?
178.Briefly explain about the Differences between the concepts that are involved in Windows and UNIX operating system ?
179.What Location(on hard disk) for the default port numbers in NT based system ?
180.Which file extension is responsible for holding address book in outlook express ?
181.What is use of ntbootdd.sys file ?
182.Why thread is called as a lightweight process ?
183.What is the main component of operating system ?
184.Define task and TCB ?
185.Difference between TCP and RDP, DOMAIN and OU. DOMAIN CONTROLLER and GLOBAL CATALOG ?
186.Why do multi-tasking operating systems in a single user machines today ?
187.What is the relation between process system time, process waiting time , and process CPU time ?
188.What are Dump terminals in Unix ?
189.What is the Difference between unix and windows ?
190.What is the Difference between process and thread ?
191.What is a Real-Time System ?
192.What are the basic functions of an operating system ?
193.What are the major Differences between windows XP and Windows 2000 operating systems ?
194.Describe different job scheduling in operating systems ?
195.What is virtual memory ?
196.What is Dispatcher ?
197.Give an example of microkernel ?
198.What is multi tasking, multi programming, multi threading ?
199.Differentiate between RAM and ROM ?
200.What resources are used when a thread created ? How do they differ from those when a process is created ?
201.Describe the actions taken by thread library to context switch between user level threads ?
202.Give a non-computer example of preemptive and non-preemptive scheduling ?
203.Compare Linux credit based algorithm with other scheduling algorithms ?
204.What is starvation and aging ?
205.Different types of Real-Time Scheduling ?
206.Condition for deadlock occurrence ?
207.What is the Difference between Hard and Soft real-time systems ?
208.What is the important aspect of a real-time system or Mission Critical Systems ?
209.What is hard disk and What is its purpose ?
210.What is cache memory ?
211.Differentiate between Complier and Interpreter ?
212.What are different tasks of Lexical Analysis ?
213.Why paging is used ?
214.What are the main Difference between Micro-Controller and Micro- Processor ?
215.What is Context Switch ?
216.What is DRAM ? In which form does it store data ?
217.What is distributed Systems ?
218.Difference between Primary storage and secondary storage ?
219.While running DOS on a PC, which command would be used to duplicate the entire diskette ?
220.What is CPU Scheduler ?
221.What are the Methods for Handling Deadlocks ?
222.When, and How often, to invoke depends on:How often a deadlock is likely to occur ?
223.Difference between Logical and Physical Address Space ?
224.Binding of Instructions and Data to Memory ?
225.What is Memory-Management Unit (MMU) ?
226.What are Dynamic Loading, Dynamic Linking and Overlays ?
227.What are the different Dynamic Storage-Allocation methods ?
228.What is fragmentation ? Different types of fragmentation ?
229.Define Demand Paging, Page fault interrupt, and Trashing ?
230.What is the cause of thrashing ? How does the system detect thrashing ? Once it detects thrashing, What can the system do to eliminate this problem ?
231.Why are page sizes always powers of 2 ?
232.On a system with paging, a process cannot access memory that it does not own; why ? How could the operating system allow access to other memory ? Why should it or should it not ?
233.User(s) are complaining of delays when using the network. What would you do ?
234.What are some of the problems associated with operating a switched LAN ?
235.Name some of the ways of combining TCP/IP traffic and SNA traffic over the same link.
236.What sort of cabling is suitable for Fast Ethernet protocols ?
237.What is a Class D IP address ?
238.Why do I sometimes lose a server’s address when using more than one server ?
239.What is Firewall ?
240.How do I monitor the activity of sockets ?
241.How would I put my socket in non-blocking mode ?
242.What are RAW sockets ?
243.What is the role of TCP protocol and IP protocol.
244.What is UDP ?
245.How can I make my server a daemon ?
246.How should I choose a port number for my server ?
247.Layers in TCP/IP
248.How can I be sure that a UDP message is received ?
249.How to get IP header of a UDP message ?
250.Writing UDP/SOCK_DGRAM applications ?
251.How many bytes in an IPX network address ?
252.What is the Difference between MUTEX and Semaphore ?
253.What is priority inversion ?
254.Different Solutions to dining philosophers problem ?
255.What is a message queue ?
256.Questions on Shared Memory ?
257.What is DHCP ?
258.Working of ping, telnet, gopher ?
259.Can I connect two computers to internet using same line ?
260.What is an IP address ?
261.What is a subnet mask ?
262.What is ARP ?
263.What is ARP Cache Poisoning ?
264.What is the ANDing process ?
265.What is a default gateway ? What happens if I don't have one ?
266.Can a workstation computer be configured to browse the Internet and yet NOT have a default gateway ?
267.What is a subnet ?
268.What is APIPA ?
269.What is an RFC ? Name a few if possible (not necessarily the numbers, just the ideas behind them)
270.What is RFC 1918 ?
271.What is CIDR ?
272.You have the following Network ID: 192.115.103.64/27. What is the IP range for your network ?
273.You have the following Network ID: 131.112.0.0. You need at least 500 hosts per network. How many networks can you create ? What subnet mask will you use ?
274.You need to view at network traffic. What will you use ?
275.How do I know the path that a packet takes to the destination ?
276.What does the ping 192.168.0.1 -l 1000 -n 100 command do ?
277.What is DHCP ? What are the benefits and drawbacks of using it ?
278.Describe the steps taken by the client and DHCP server in order to obtain an IP address ?
279.What is the DHCPNACK and when do I get one ?
280.What ports are used by DHCP and the DHCP clients ?
281.Describe the process of installing a DHCP server in an AD infrastructure ?
282.What is DHCP INFORM ?
283.Describe the integration between DHCP and DNS ?
284.What options in DHCP do you regularly use for an MS network ?
285.What are User Classes and Vendor Classes in DHCP ?
286.How do I configure a client machine to use a specific User Class ?
287.What is the BOOTP protocol used for, where might you find it in Windows network infrastructure ?
288.DNS zones – describe the Differences between the 4 types ?
289.DNS record types – describe the most important ones ?
290.Describe the process of working with an external domain name ?
291.Describe the importance of DNS to AD.
292.Describe a few methods of finding an MX record for a remote domain on the Internet.
293.What does "Disable Recursion" in DNS mean ?
294.What could cause the Forwarders and Root Hints to be grayed out ?
295.What is a "Single Label domain name" and What sort of issues can it cause ?
296.What is the "in-addr.arpa" zone used for ?
297.What are the requirements from DNS to support AD ?
298.How do you manually create SRV records in DNS ?
299.Name 3 benefits of using AD-integrated zones ?
300.What are the benefits of using Windows 2003 DNS when using AD-integrated zones ?
301.What are the benefits and scenarios of using Stub zones ?
302.What are the benefits and scenarios of using Conditional Forwarding ?
303.What are the Differences between Windows Clustering, Network Load Balancing and Round Robin, and scenarios for each use ?
304.How do I work with the Host name cache on a client computer ?
305.How do I clear the DNS cache on the DNS server ?
306.What is the 224.0.1.24 address used for ?
307.What is WINS and when do we use it ?
308.Can you have a Microsoft-based network without any WINS server on it ? What are the "considerations" regarding not using WINS ?
309.Describe the Differences between WINS push and pull replications ?
310.What is the Difference between tombstoning a WINS record and simply deleting it ?
311.Name the NetBIOS names you might expect from a Windows 2003 DC that is registered in WINS ?
312.Describe the role of the routing table on a host and on a router ?
313.What are routing protocols ? Why do we need them ?
314.What are router interfaces ? What types can they be ?
315.In Windows 2003 routing, What are the interface filters ?
316.What is NAT ?
317.What is the real Difference between NAT and PAT ?
318.How do you configure NAT on Windows 2003 ?
319.How do you allow inbound traffic for specific hosts on Windows 2003 NAT ?
320.What is VPN ? What types of VPN does Windows 2000 and beyond work with natively ?
321.What is IAS ? In What scenarios do we use it ?
322.What's the Difference between Mixed mode and Native mode in AD when dealing with RRAS ?
323.What is the "RAS and IAS" group in AD ?
324.What are Conditions and Profile in RRAS Policies ?
325.What types or authentication can a Windows 2003 based RRAS work with ?
326.How does SSL work ?
327.How does IPSec work ?
328.How do I deploy IPSec for a large number of computers ?
329.What types of authentication can IPSec use ?
330.What is PFS (Perfect Forward Secrecy) in IPSec ?
331.How do I monitor IPSec ?
332.Looking at IPSec-encrypted traffic with a sniffer. What packet types do I see ?
333.What can you do with NETSH ?
334.How do I look at the open ports on my machine ?
335.What are the required components of Windows Server 2003 for installing Exchange 2003 ?
336.What must be done to an AD forest before Exchange can be deployed ?
337.What Exchange process is responsible for communication with AD ?
338.What 3 types of domain controller does Exchange access ?
339.What connector type would you use to connect to the Internet, and what are the two methods of sending mail over that connector ?
340.How would you optimise Exchange 2003 memory usage on a Windows Server 2003 server with more than 1Gb of memory ?
341.What would a rise in remote queue length generally indicate ?
342.What would a rise in the Local Delivery queue generally mean ?
343.What are the standard port numbers for SMTP, POP3, IMAP4, RPC, LDAP and Global Catalog ?
344.Name the process names for the following: System Attendant ?
345.What is the maximum amount of databases that can be hosted on Exchange 2003 Enterprise ?
346.What are the disadvantages of circular logging ?

Hardware System support Interview Questions

Hardware System support Interview Questions
1.What is DHCP & How it works?
2.What is the Difference between Intel Core 2 duo & Dual Core & which one is better for processing?
3.What is the window XP repair console command?
4.How would I describe the CPU (central processing unit) component of a computer system?
5.How can i repair the hard disc, when the computer starts there is sound in the hard disc?
6.What about the Cache memory? and it usage?
7.What is the difference between fat32, ntfs?
8.Why do we call motherboard a motherboard?
9.What is the full form of http?
10.What is the BIOS full form?
11.What is BIOS battery?
12.What is Hal in windows?
13.Which port can the keyboard be connected to? which device connects to parallel port? which of the following is the newest type of connector for a printer interface?
14.If the system is not booting what can we do?
15.What is unit of speed of microprocessor? Explain it in details? What AMR and CNR on motherboard? What do you mean by F.S.B. as well as bus mastering?
16.What are the Alt (Option) and Control (Ctrl) keys for?
17.What is the difference between the Physical drive and the Logical Drive. How do we Identify? How do to configure the logical drive?
18.What is the Reason that when we Start the System the Mouse Cursor is Displays At the Center of the Screen?
19.What is a (Flash) BIOS ?
20.How can I determine what BIOS is on my PC and if there is an update?
21.How to get into your computer BIOS?
22.How can you clear your BIOS with the DOS DEBUG command ?
23.How to generate a boot disk for updating a BIOS ?
24.What is the Pentium processor?
25.What is CPU?
26.What is the Celeron processor?
27.What is clock speed?
28.when we switch on the system How will it starts can u explain ?
29.Which is The latest type of Hard disk?
30.How to configure RAID-5 system
31.How to get an 8-bit counter using just D flip-flop?
32.How to overwrite the database with previous backup?