Deck 22: Management

Question 1

You are trying to find out why a network card will not connect to the network. Which of the following should you check first?

A)Driver
B)Link light
C)Processor
D)RJ-45 cable

Answer 1

Link light

Question 2

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?

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.

Answer 2

The 2.4 GHz cordless phone is interfering with the wireless network.

Question 3

Jack is a network administrator at his organization. Last night he accidentally messed up the connections running to the server. Today all users have been complaining about not having Internet connectivity and IP addresses in the 169.254.xxx.xxx series. What should Jack check first?

A)DHCP server
B)DNS server
C)Client NIC
D)Internet Explorer

Answer 3

DHCP server

Question 4

In a scenario where two computers have been assigned the same IP address, which of the following could be the result?

A)Both computers will connect to the network.
B)Both computers will be able to connect to the local network, but not to the Internet.
C)Both computers will not be able to connect to the local network or the Internet.
D)The computer which was first assigned the IP address will be able to connect, the other will not.

Question 5

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?

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C)The NIC drivers on the employees' systems are outdated.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 6

Which of the following parameters is not required if you want to communicate with a system on the same LAN?

A)IP address
B)Subnet mask
C)MAC address
D)Default gateway

Question 7

John is working as a network administrator in his organization. A user is unable to connect to the network. All other users on that switch are able to connect successfully to the network. Which of the following could be a probable cause of this issue?

A)The DNS server is down.
B)Wrong subnet mask on the switch
C)Switching loop is occurring on the switch
D)Misconfigured port on the switch

Question 8

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?

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 9

If a connection that usually takes 9 hops to reach a particular web server is now taking 13 hops to reach it, how would it affect the connection?

A)Hops do not affect the speed of the connection.
B)The connection will be faster than before.
C)The connection will be fractionally slower than before.
D)It cannot be determined if the connection will be affected.

Question 10

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?

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

Question 11

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?

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

Question 12

Your 802.11n capable SOHO router is providing 11Mbps speeds to the network. What is most likely the issue?

A)The SOHO router is using a WEP key for security.
B)The SOHO router does not have the latest firmware upgrade.
C)The SOHO router is operating in mixed mode.
D)There is no issue.

Question 13

You notice that a device with a manual IP address cannot communicate with other devices on the network. The network has the address 192.168.4.x with a subnet mask of 255.255.255.0. The IP address of the non-communicative station is 192.168.4.12/26. What is the most likely reason this system cannot communicate?

A)It has the wrong subnet mask
B)It is using a private IP address
C)Its IP address is wrong
D)The TCP/IP stack is corrupt

Question 14

Which command would you use on the Windows command line to ping a system continuously until you press ?

A)Ping -n a
B)Pin -n c
C)Ping -n
D)Ping -t

Question 15

Samuel replaces a 10BaseT NIC on a workstation with a 10/100BaseT card. He now does not get a link light on the NIC even though he has plugged it in to multiple ports on the switch. He notices from the documentation that this cut rate card has no auto negotiation mode. What is the most likely problem causing the loss of connectivity?

A)It cannot bind TCP/IP to it
B)The card is malfunctioning
C)The card is for a token ring network
D)There is a port speed mismatch

Question 16

You have a device that cannot browse the Internet, but can ping individual IP addresses on the Internet. The other workstations on the network seem to browse the Internet just fine. What is the most likely cause of this problem?

A)The DHCP server is down
B)The DNS server is down
C)The workstation has incorrect DNS settings
D)The router is blocking port 53 on both UDP and TCP

Question 17

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

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

Question 18

Melinda is a new network consultant and is supporting a network for a business. Melinda finds that the client uses subnetting due to a large number of hosts. All hosts have a subnet mask of 255.255.255.192. Melinda is trying to get a host with an IP address of 192.168.2.193 to communicate with a host at IP address of 192.168.2.246. Both hosts are already on the same switch. What additional device will Melinda need to route the traffic between these two hosts?

A)A network bridge
B)A circuit-level gateway
C)A network router
D)None. These addresses are on the same logical network.

Question 19

You discover that a device on your network is creating a broadcast storm. You have switches that do not use VLANs or Spanning Tree Protocol. What is the most likely cause of the storm?

A)A routing loop
B)A switching loop
C)A faulty switch
D)A misconfigured router

Question 20

Davis has noticed that one of the systems on his network has sporadic connection to the network. He is running a 100BaseT network, and the workstation is about 150 meters away from the switch. What is the most likely cause of the intermittent network issues?

A)A wireless router is conflicting with the wireless adaptor on the switch
B)The cable to the host is too long and the signal has attenuated
C)He needs to use coaxial cable for his 100baseT network
D)The bridge he had installed to propagate the signal has failed

Question 21

What is the most common cause of network connectivity issues?

A)Physical layer issues such as power outage or cable unseated
B)Corrupt NIC drivers
C)Registry values incorrect
D)Router configuration

Question 22

Your network design emphasizes efficient, error-free transport instead of fast transport. Which switching mode should be configured on the new switches to provide error-free transport to the network?

A)Cut-through
B)Fragment Free
C)Fast Forward
D)Store-and-forward

Question 23

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

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 24

Which of these traffic-shaping mechanisms sends packets at a constant rate equivalent to the size of the hole in the bucket?

A)Holey bucket
B)Leaky bucket
C)Token bucket
D)Full bucket

Question 25

Which of the following is a term used to define automatic distribution of traffic over multiple links or processors to optimize responses?

A)Load balancing
B)Re-balance
C)Tuning traffic
D)Setting Traffic

Question 26

Which of the following features associated with a Switch helps you interconnect the switches?

A)Trunking
B)STP
C)Port mirroring
D)Cascading

Question 27

Which of the following protocols is most important for Windows Directory Services (i.e. Microsoft Domains) to function properly?

A)LDAP
B)DNS
C)DHCP
D)SNMP

Question 28

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

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

Question 29

Jack is troubleshooting a workstation that is connected to a star network. He observes that the workstation is not able to connect to the network resources. Which of the following should he check first to solve this issue?

A)The link lights on the workstation NIC
B)The link lights on the server NIC
C)The link lights on the switch
D)The NIC drivers

Question 30

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?

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 31

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

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 32

While manning the help desk, you receive two calls at the same time. The first is from a user who cannot print a Word file and the second is from a user who cannot restore payroll records. How should you handle the two calls?

A)Handle both at the same time.
B)Tell them both to call back later.
C)Handle the printing problem first.
D)Handle the payroll user first.

Question 33

Jack wants to connect his laptop to his desktop computer using a wired connection. Which of the following cable types should he use?

A)Crossover
B)Straight through
C)Direct cable
D)Rollover cable

Question 34

A number of employees are complaining about slow Internet connection to John, the IT supervisor. John suspects crosstalk and wants to use a cabling standard that is least susceptible to crosstalk. Which type of cabling should he use?

A)UTP
B)STP
C)Fiber optic
D)Coaxial

Question 35

You head the network support team at your organization. Which of the following problems would you assign as the highest priority for your network support team?

A)Print server failure in the sales department
B)The corporate e-mail server is down
C)Installing software in employees' PCs
D)A malfunctioning hub in the engineering department

Question 36

What should you do to ensure that TCP/IP is bound properly to the NIC and the NIC drivers are working properly?

A)Ping 10.10.10.10
B)Ping 127.0.0.1
C)Ping 127.0.0.0
D)Ping 255.255.255.255

Question 37

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?

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

Question 38

Jack is working on a Linux system and wants to perform a manual DNS lookup. Which of the utilities should he use?

A)netstat
B)mtr
C)route
D)dig

Question 39

You need to find out the name of a host using an IP address on the Internet. Which of the following will provide the name?

A)Tracert
B)Netstat
C)Ipconfig
D)Nslookup

Question 40

Jack has installed fiber optic cabling in his office. However, he is not able to utilize the capabilities of the fiber optic setup and suspects multiple light losses. Which of the following network troubleshooting tools can he use to verify this?

A)Multimeter
B)Cable tester
C)Protocol analyzer
D)OTDR

Question 41

You are the technician at ABCD.com. You want to ping the loopback address on a PC which has been configured with the static IP address of 192.168.1.122. What commands would you use to achieve this?

A)Ping 0.0.0.0
B)Ping 127.0.0.1
C)Ping 192.168.1.122
D)Ping 255.255.255.255

Question 42

Which of the network troubleshooting tools combines the functionalities of traceroute and ping?

A)Ns lookup
B)dig
C)nbtstat
D)mtr

Question 43

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

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

Question 44

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

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

Question 45

What command would you issue from the command line in Windows to discover at which hop the communication to 172.16.27.3 was breaking down?

A)ping 172.16.27.3
B)ping local host
C)traceroute 172.16.27.3
D)tracert 172.16.27.3

Question 46

You are troubleshooting a device that cannot connect to the Internet. Your Internet router's public IP address is 69.48.12.36. The device has an IP address of 192.168.4.3/24 with a default gateway of 69.48.12.36 and can talk to all the devices on the network. What is the most likely reason that the device cannot communicate to the Internet?

A)It has the wrong subnet mask
B)It is using a private IP address
C)The router is missing a static route
D)It has the wrong gateway address

Question 47

What are two things the route command is used for?

A)Showing the routing table
B)Forcing a datagram to forward in real time
C)Changing the routing protocol
D)Adding a route to the routing table

Question 48

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

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

Question 49

What does the ns lookup utility do?

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 50

What two utilities does the MTR tool combine?

A)Ping and dig
B)Traceroute and dig
C)Dig and route
D)Ping and traceroute

Question 51

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

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

Question 52

Which network service is responsible for allowing Microsoft clients to access the file system on Microsoft servers?

A)SMB
B)WINS
C)Samba
D)NFS

Question 53

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

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

Question 54

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

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 55

Which device can be used to distribute data communications across multiple network connections?

A)VPN Concentrator
B)Traffic Shaper
C)Load Balancer
D)Distribution Firewall

Question 56

Which of the following technologies have built in QoS in their protocols? (CHOOSE ALL THAT APPLY)

A)ATM
B)MPLS
C)VoIP
D)PDH
E)IPv4

Question 57

Multiple devices implemented on the same network that perform the same operations simultaneously offer which of the following performance optimization features? (CHOOSE ALL THAT APPLY)

A)QoS
B)Content Filtering
C)Load Balancing
D)Traffic Shaping
E)High Availability

Question 58

What protocol is used for IP address redundancy across networked devices?

A)DARP
B)ARP
C)RARP
D)CARP