Deck 15: Concepts

Question 1

As part of a troubleshooting process, Jack wants to check the table that maintains the TCP/IP to MAC address translation on his computer. Which utility should he use?

A)ping
B)arp
C)nbtstat
D)netstat

Answer 1

arp

Question 2

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 192.168.3.12/24. 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 on a different network
D)The TCP/IP stack is corrupt

Answer 2

Its IP address is on a different network

Question 3

What protocol and port does SNMP use?

A)UDP:123
B)TCP:123
C)UDP:161
D)TCP:161

Answer 3

UDP:161

Question 4

Jack's organization has a total of 156 computers. The organization has a registered class C address. Which of the following can let him assign individual IP addresses to every host on the network with plenty still available to allow for growth of the organization?

A)NAT with a private address
B)IPv4 addresses
C)A default gateway
D)DHCP

Question 5

What does APIPA do?

A)Resolves conflicts in the ARP table
B)Resolves conflicts in the TCP/IP stack
C)Configures IP addresses when a DHCP server is unavailable
D)Monitors systems for network based intrusion

Question 6

What protocol would you use to discover the MAC address of a machine from an IP address?

A)FTP
B)IMAP
C)NTP
D)ARP

Question 7

Which layer of the OSI model does the MPLS operate?

A)Layer 4
B)Layer 3
C)Layer 2
D)Between Layers 2 and 3

Question 8

Internet Protocol version 6 (IPv6) has an address size of bits and uses values to indicate addresses

A)32; numeral
B)64; numeral
C)128; hexadecimal
D)128; numeral

Question 9

Which of the following modulation schemes does 802.11g employ for communication?

A)DHSS
B)AHSS
C)OFDM
D)FHSS

Question 10

What is the combination of an IP address and a port number called?

A)Packet
B)Datagram
C)Checksum
D)Socket

Question 11

How many bits is an IPv6 address comprised of?

A)28
B)32
C)100
D)128

Question 12

Routing tables contain a metric field that indicates the cost of a particular route. Which of the following could be possible parameters expressed in this field?

A)Subnet mask
B)Number of hops
C)MAC address
D)IP address

Question 13

What is the maximum transfer rate supported by a Bluetooth version 1 communication device?

A)1 Kbps
B)10 Mbps
C)2 Mbps
D)1 Mbps

Question 14

Jane is a network administrator who needs to configure a router with a distance vector protocol that allows classless routing. Which of the following protocols satisfies these requirements?

A)IGRP
B)EIGRP
C)RIPv1 and RIPv2
D)RIPv1

Question 15

Which of the following fields of the IP datagram identifies the message to which a datagram belongs and enables the receiving node to reassemble fragmented messages?

A)Fragment Offset
B)Flags
C)Internet Header Length
D)Identification

Question 16

Which of the following protocols shares its routing table information with neighboring routers by broadcasting the information over UDP every 30 seconds?

A)ICMP
B)HTTP
C)OSPF
D)RIP

Question 17

Which layer of the OSI Model manages data encryption and decryption?

A)Session
B)Data link
C)Network
D)Presentation

Question 18

Which layer of the OSI Model facilitates the translation of network addresses into their physical counterparts and decides how to route data from the sender to the receiver?

A)Transport
B)Data link
C)Physical
D)Network

Question 19

Which layer of the OSI Model facilitates communication between software applications and lower-layer network services?

A)Data Link
B)Application
C)Session
D)Transport

Question 20

How does the Data link layer of the OSI Model accomplish error checking for Ethernet?

A)3-byte Frame Check Sequence (FCS)
B)5-byte Frame Check Sequence (FCS)
C)6-byte Frame Check Sequence (FCS)
D)4-byte Frame Check Sequence (FCS)

Question 21

What protocol does the ping utility use?

A)SMTP
B)ICMP
C)ICP
D)SNMP

Question 22

Which of the following session types is most likely used for streaming music?

A)UDP
B)TCP
C)RDP
D)QOS

Question 23

Which of the following is WAN equipment that you would find in a network that uses leased lines to connect offices?

A)CSU/DSU
B)WAP
C)Hybrid hubs
D)Brouters

Question 24

In a standard IPv4 network, which of the following address classes is most commonly used for small office or home networks and uses the smallest number of addresses per network?

A)Class A
B)Class B
C)Class C
D)Class D

Question 25

Mary is troubleshooting a connectivity problem on the network. She issues the ping command from her command prompt, but the output showed a "request timed out" message. Which layer of the OSI model is the problem related to?

A)Physical
B)Transport
C)Network
D)Application

Question 26

Internet Protocol version 4 (IPv4) has an address size of bits and uses values to indicate addresses.

A)32; numeral
B)64; numeral
C)128; hexadecimal
D)128; numeral

Question 27

Which layer or layers of the OSI model correspond to the Application layer of the TCP/IP model? (CHOOSE ALL THAT APPLY)

A)Application
B)Physical
C)Data Link
D)Presentation
E)Session

Question 28

Which of the following can be considered "Layer 2" networking devices?

A)Hubs
B)Routers
C)Switches
D)Repeaters
E)Servers

Question 29

What layer of the OSI model do the protocols HTTP, FTP, and SMTP operate closest to?

A)Presentation Layer
B)Network Layer
C)Session Layer
D)Application Layer

Question 30

Which layers of the OSI model is responsible for connectionless data transfer and host addressing?

A)Data-Link Layer
B)Network Layer
C)Presentation Layer
D)Application Layer

Question 31

At what layer of the OSI Model does IEEE 802.3 reside?

A)Data Link Layer
B)Physical Layer
C)Network Layer
D)Transport Layer

Question 32

Which of the following is used to provide consistent network identification to resources that may potentially change location on a network?

A)IPS/SPX
B)DDNS
C)DHCP
D)APIPA

Question 33

Implementing which of the following technologies will help in the reduction of the initial cost of building a network?

A)Virtual Servers
B)Blade Servers
C)Slim line Servers
D)SAS Servers

Question 34

Mark is a brand new network administrator and is learning his way around the server room. While looking around he notices that there is only one physical server. He asks Amanda, the more experienced technician how many servers they are using and she responds by telling him three. Which of the following best explains what is going on?

A)They have a displaced Intermediate Distribution Frame (IDF) that is controlling the servers.
B)They have implemented load balancing on their servers to maximize efficiency.
C)They are using VPN Tunneling.
D)They are using Virtualization and the additional servers are virtual servers located on the single physical device.

Question 35

What system allows companies to save a considerable amount of cost and responsibility when planning how the company will handle call routing or switching?

A)VLAN Trunking Systems
B)Virtual IPX
C)Virtual PBX
D)Dynamic Call Forwarding System

Question 36

What virtual device is going to look at the destination MAC address of the data packet and route accordingly?

A)Virtual Switches
B)Virtual Routers
C)Virtual Network Interface Cards
D)Virtual Hubs

Question 37

Two companies have recently merged and the IT department that took over the network of the other company has found an overabundance of resources and infrastructure. The IT department wishes to lease the extra infrastructure to other companies for a profit. What is this process called?

A)Naas
B)UaaS
C)BaaS
D)MaaS