Deck 8: Administering a Secure Network

Question 1

TCP/IP uses its own five-layer architecture that includes Network Interface, Internet, Control, Transport, and Application.

Answer 1

False

Question 2

What is the term used for a device that requests permission from an authenticator to join a network?​

A)​Remote client
B)​Supplicant
C)Widget
D)​Requester

Answer 2

B

Question 3

When setting up a server virtualization environment, what component below manages the virtual machine operating systems and supports one or more guest systems?

A)kernel
B)supervisor
C)hypercard
D)hypervisor

Answer 3

D

Question 4

DNS poisoning can be prevented using the latest edition of what software below?

A)BIND
B)DHCP
C)WINS
D)finger

Question 5

Port-based authentication, in which users are authenticated on a per-switch port basis, is a function of what standard below?

A)IEEE 802.3ad
B)IEEE 802.11n
C)IEEE 802.1x
D)IEEE 802.1z

Question 6

IP telephony and Voice over IP (VoIP) are identical.

Question 7

Which layer of the OSI model contains TCP protocol, which is used for establishing connections and reliable data transport between devices?

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

Question 8

Select below the TCP/IP protocol that resolves a symbolic name to its corresponding IP address using a database consisting of an organized hierarchy tree.

A)WINS
B)NIS
C)TACACS+
D)DNS

Question 9

Which of the three Cloud computing service models allows a customer to access software provided by a vendor using a web browser, without any installation, configuration, upgrading, or management from the user?

A)Cloud Application as a Service
B)Cloud Infrastructure as a Service
C)Cloud Software as a Service
D)Cloud System as a Service

Question 10

IEEE 802.1x is commonly used on wireless networks.

Question 11

How can a network of physical devices be grouped into logical units, regardless of what network switches they may be connected to?

A)VLAN
B)subnets
C)IP address
D)MAC address

Question 12

What transport protocol is used by Windows operating systems to allow applications on separate computers to communicate over a LAN?

A)​SSH
B)​Telnet
C)​NetBIOS
D)​DHCP

Question 13

The deployment of this technology below can be used as a defense against DoS and DDoS SYN flood attacks:

A)flood guard
B)protocol guard
C)link guard
D)frame guard

Question 14

Which of the following is not a benefit that can be provided by using IP telephony?​

A)​Simplified management
B)​Decreased network utilization
C)Reduced infrastructure requirements
D)​Increased user productivity

Question 15

An administrator needs to examine FTP commands being passed to a server. What port should the administrator be monitoring?

A)19
B)20
C)21
D)22

Question 16

Despite its promise to dramatically impact IT, cloud computing raises significant security concerns.

Question 17

TCP is responsible for addressing packets and sending them on the correct route to the destination, while IP is responsible for reliable packet transmission.

Question 18

The capability for devices to exchange low-level control messages is provided by what protocol below?

A)ICMP
B)FTP
C)UDP
D)TCP

Question 19

When using SNMPv1 or SNMPv2, what piece of information is needed to view information from an agent?

A)entity
B)community string
C)MIB
D)OID

Question 20

​What MAC limiting configuration setting allows for MAC addresses to be automatically learned and stored along with any addresses that were learned prior to using the configuration setting?

A)​Static
B)​Dynamic
C)​Sticky
D)​Permissive

Question 21

At what level of the OSI model does the IP protocol function?

A)Transport Layer
B)Network Layer
C)Data link Layer
D)Presentation Layer

Question 22

Matching
a. Audit log
b. Event log
c. File Transfer Protocol (FTP)
d. Flood guard
e. FTP Secure (FTPS)
f. Host elasticity
g. Loop protection
h. Snapshot
i. Telnet
j. Virtualization
​An instance of a particular state of a virtual machine that can be saved for later use.

Question 23

Matching
a. Audit log
b. Event log
c. File Transfer Protocol (FTP)
d. Flood guard
e. FTP Secure (FTPS)
f. Host elasticity
g. Loop protection
h. Snapshot
i. Telnet
j. Virtualization
​A TCP/IP protocol that uses Secure Sockets Layer or Transport Layer Security to encrypt commands sent over the control port (port 21) in an FTP session.

Question 24

With operating system virtualization, a(n) ____________________ system is the native operating system to the hardware.

Question 25

A(n) ____________________ is a record of events that occur.

Question 26

____________________ computing is a model for enabling convenient, on-demand network access to a shared pool of configurable computing resources that can be rapidly provisioned and released with minimal management effort or service provider interaction.

Question 27

What protocol suite below is the most commonly used protocol for local area network (LAN) communication?

A)UDP
B)IPX/SPX
C)TCP/IP
D)Appletalk

Question 28

Matching
a. Audit log
b. Event log
c. File Transfer Protocol (FTP)
d. Flood guard
e. FTP Secure (FTPS)
f. Host elasticity
g. Loop protection
h. Snapshot
i. Telnet
j. Virtualization
​The ability to easily expand or contract resources in a virtualized environment.

Question 29

Matching
a. Audit log
b. Event log
c. File Transfer Protocol (FTP)
d. Flood guard
e. FTP Secure (FTPS)
f. Host elasticity
g. Loop protection
h. Snapshot
i. Telnet
j. Virtualization
A means of managing and presenting computer resources by function without regard to their physical layout or location.​

Question 30

In what type of cloud computing does the customer have the highest level of control?

A)Cloud Application as a Service
B)Cloud Infrastructure as a Service
C)Cloud Software as a Service
D)Cloud System as a Service

Question 31

Matching
a. Audit log
b. Event log
c. File Transfer Protocol (FTP)
d. Flood guard
e. FTP Secure (FTPS)
f. Host elasticity
g. Loop protection
h. Snapshot
i. Telnet
j. Virtualization
A log that is used to record which user performed an action and what that action was.​

Question 32

The ____________ is a high-speed storage network protocol that can transmit up to 16 gigabits per second.​

Question 33

What device operates at the Network Layer (layer 3) of the OSI model and forwards packets across computer networks?

A)bridge
B)router
C)switch
D)hub

Question 34

The ____________________ Layer is omitted in the TCP/IP model.
​

Question 35

Matching
a. Audit log
b. Event log
c. File Transfer Protocol (FTP)
d. Flood guard
e. FTP Secure (FTPS)
f. Host elasticity
g. Loop protection
h. Snapshot
i. Telnet
j. Virtualization
​An older TCP/IP protocol and an application used for text-based commmunication

Question 36

Broadcast storms can be prevented by using loop prevention technology. Which item below can be used to help prevent loops?

A)Virtual trunking protocol
B)Dijkstra's algorithm
C)802.11x
D)802.1d

Question 37

Matching
a. Audit log
b. Event log
c. File Transfer Protocol (FTP)
d. Flood guard
e. FTP Secure (FTPS)
f. Host elasticity
g. Loop protection
h. Snapshot
i. Telnet
j. Virtualization
​Log that documents any unsuccessful events and the most significant successful events.

Question 38

Matching
a. Audit log
b. Event log
c. File Transfer Protocol (FTP)
d. Flood guard
e. FTP Secure (FTPS)
f. Host elasticity
g. Loop protection
h. Snapshot
i. Telnet
j. Virtualization
​An unsecure TCP/IP protocol that is commonly used for transferring files

Question 39

Matching
a. Audit log
b. Event log
c. File Transfer Protocol (FTP)
d. Flood guard
e. FTP Secure (FTPS)
f. Host elasticity
g. Loop protection
h. Snapshot
i. Telnet
j. Virtualization
A feature that controls a device's tolerance for unanswered service requests and helps to prevent a DoS or DDoS attack.​

Question 40

Matching
a. Audit log
b. Event log
c. File Transfer Protocol (FTP)
d. Flood guard
e. FTP Secure (FTPS)
f. Host elasticity
g. Loop protection
h. Snapshot
i. Telnet
j. Virtualization
Technique to prevent broadcast storms by using the IEEE 802.1d standard spanning-tree algorithm (STA)​

Question 41

Describe one way to use FTP on a local host computer.

Question 42

List the steps in an 802.1x authentication procedure.

Question 43

What are the two types of community strings?

Question 44

Discuss the problems associated with storing the entire database of names and IP addresses in one location.

Question 45

List and describe three benefits offered by IP telephony.

Question 46

List the steps of a DNS lookup.

Question 47

List and describe the three service models of cloud computing.

Question 48

Why is the Physical Layer omitted in the TCP/IP model?

Question 49

Discuss one security advantage to hosts running virtualization.

Question 50

What are the four fields contained within an ICMP message?​