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: 184.108.40.206/27. What is the IP range for your network ?
273.You have the following Network ID: 220.127.116.11. 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 18.104.22.168 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 ?