QUESTIONS WITH ANSWERS GRADED A+
◉ True or False:
TCP/IP uses it own Five-layer architecture that includes Network
Interface, Internet, Control, Transport, and Application Answer:
False
◉ True or False:
IEEE 802.1x is commonly used on wireless networks Answer: True
◉ True or False:
IP telephony and Voice over IP (VoIP) are identical Answer: False
◉ True or False:
Despite its promise to dramatically impact IT, cloud computing
raises significant security concerns Answer: True
◉ What protocol suite below is the most commonly used protocol
for local area network (LAN) communication Answer: TCP/IP
,◉ At what level of the OSI model does the IP protocol function
Answer: Network Layer
◉ Which layer of the OSI model contains TCP protocol, which is used
for establishing connections and reliable data transport between
devices Answer: Transport Layer
◉ The capability for devices to exchange low-level control messages
is provided by what protocol below? Answer: ICMP
◉ When using SNMPv1 or SNMPv2,what piece of information is
needed to view information form an agent? Answer: community
string
◉ 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 Answer: DNS
◉ DNS poisoning can be prevented using the latest edition of what
software below? Answer: BIND
◉ An administrator needs to examine FTP commands being passed
to a server, what pro should the administrator be monitoring?1
Answer: 21
,◉ What device operates at the Network Layer (layer 3) of the OSI
model and forwards packets across computer networks Answer:
router
◉ The deployment of this technology below can be used as a defense
against DoS and DDoS SYN flood attacks: Answer: flood guard
◉ Broadcast storms can be prevented by using loop prevention
technology. which item be used to help prevent loops Answer:
802.1d
◉ How can a network pf physical devices be grouped into logical
units, regardless of what network switches they may be connected
to? Answer: VLAN
◉ Port-based authentication,in which users are authenticated on a
per-switch pro basis, is a function of what standard below? Answer:
IEEE 802.1x
◉ Which of th 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? Answer: Cloud Software as a Service
, ◉ When setting up a server virtualization environment, what
component below manages the ritual machine operation systems
and supports one or more guest systems Answer: hypervisor
◉ In what type of cloud computing does the customer have the
highest level of control? Answer: Cloud Infrastructure as a Service
◉ 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
Answer: Dynamic
◉ Which of the following is not a benefit that can be provided by
using IP telephony Answer: Decreased network utilization
◉ What is the term used for a device that requests permission form
an authenticator to join a network Answer: supplicant
◉ What transport protocol is used by windows operating systems to
allow applications of separate computer to communicate over LAN
Answer: NetBIOS
◉ Bluejacking Answer: An attack that sends unsolicited messages to
Bluetooth-enabled devices.