Question 1

Jack is a network administrator at his organization. The computers in the finance department are connected to a hub. The employees in the finance department are complaining about very slow intermittent network and Internet access. On inspection, Jack finds that the activity LED on the hub sometimes turns orange. What is the most likely cause of the issue?

Accepted Answer

A) One of the employee's cables is disconnected from the hub. 
B) Collisions are occurring on the network due to electrical interference. 
C) The NIC drivers on the employees' systems are outdated. 
D) The system resources on the employees' computers are very low.

Question 2

Which of the following actions would increase congestion on an Ethernet network?

Accepted Answer

A) Adding hubs on the network 
B) Increasing the number of collision domains 
C) Putting additional switches on the network 
D) Micro-segmenting the network

Question 3

What does the ns lookup utility do?

Accepted Answer

A) It performs lookups against a network slave table 
B) It performs DNS lookups to find information on domain names or other DNS records 
C) It looks up records from a null space network 
D) It allows one to bypass the host file on their system

Question 4

A user calls in and reports that the Wi-Fi connection is disconnected when the house telephone rings. Which of the following could cause this issue?

Accepted Answer

A) The cordless phones are plugged into same outlet as the router. 
B) The 5.8 GHz cordless phone is interfering with the wireless network. 
C) The 2.4 GHz cordless phone is interfering with the wireless network. 
D) The laptop NIC is faulty.

Question 5

What type of application searches a system for ports that are open?

Accepted Answer

A) Port scanner 
B) Packet sniffer 
C) Port sniffer 
D) Packet scanner

Question 6

What command would you use to discover on which ports your system is listening?

Accepted Answer

A) netstat 
B) nbtstat 
C) arpwatch -l 
D) portbind -l

Question 7

Jack is planning to implement a fault tolerant mechanism on his company's web server. This is to avoid having to replace a failed drive and restore data without blocking data requests from many of the company's valuable customers. Which of these features should he implement on the web server?

Accepted Answer

A) Incremental backup 
B) RAID 0 
C) UPS 
D) RAID 1

Question 8

Which of the following is the fastest method for transmitting data using a switch?

Accepted Answer

A) Store and forward 
B) Fully buffered 
C) Cut through 
D) Loop back

Question 9

After connecting a PC to an available port on a switch, you find that the PC cannot access any of the resources on the LAN. No other PCs connected to the switch appear to be having any issues. What is the most likely cause of this problem?

Accepted Answer

A) The host MAC address is configured incorrectly. 
B) The host switch port is assigned to the incorrect VLAN. 
C) A STP instance for the new host has not been initialized. 
D) The router lacks a routing table entry for the new host.

Question 10

You notice a workstation on your network is continuously trying to broadcast packets over and over. What is the most likely cause?

Accepted Answer

A) Routing loop 
B) Switching loop 
C) Short in the Ethernet cable 
D) Faulty NIC or NIC driver

Question 11

Which of the following TCP/IP troubleshooting utilities will allow you to view the open TCP/IP connections?

Accepted Answer

A) Netstat 
B) Ipconfig 
C) Nbtstat 
D) Ping

Question 12

You are troubleshooting an issue with no connectivity through a DSL modem. Which of the following is a first step in resolving an issue?

Accepted Answer

A) Power cycling the modem 
B) Identify the LEDs on the modem 
C) Using ipconfig to renew all IP parameters 
D) Term the modem as faulty and replace it with a working one

Question 13

Jack is working in an organization as an IT specialist. The company's web server is undergoing a process of security and redundancy enhancement. Hence, the server is now backed up with multiple power supplies and spike protection. Which of the following would strengthen the server in terms of a high uptime?

Accepted Answer

A) Upgrading all the switches in the network to Gigabit 
B) Upgrading the outbound NIC to a gigabit card 
C) Installing an additional Router 
D) Installing additional NICs on the server

Question 14

John is working in the Network repair and troubleshooting unit with a DSL service provider. He is trying to fix an issue with packets being lost en route to the destination. Which of these utilities can be used to find the number of hops a packet takes from the source to the destination?

Accepted Answer

A) tracert 
B) nbtstat 
C) ns lookup 
D) netstat

Question 15

What is the command you should issue from the command line in Windows to see all of the bound IP information?

Accepted Answer

A) winifcfg 
B) ifconfig /all 
C) ipconfig /a 
D) ipconfig /all

Question 16

Which of these utilities would you use to look up DNS information on the command line?

Accepted Answer

A) Arp ping 
B) nbtstat 
C) dig 
D) nslookup

Question 17

How can you check the basic IP settings that are bound to the NIC in windows?

Accepted Answer

A) Right Click My Computer and select IP information 
B) Run ipconfig from the command line 
C) Run ifconfig from the command line 
D) Run winnetcfg from the command line

Question 18

You are working as a network administrator in your organization. A user complains that he is not able to print from a network printer attached to the network. When you try to ping the printer with an IP address, it gives a successful reply, but a host name ping fails. What could be the most likely cause?

Accepted Answer

A) Print server is down 
B) DHCP server is down 
C) Printer is too far from the user 
D) DNS server is down

Exam 22: Management