A+ Answers of the following Questions

1. (TCO 4) Which is the command that verifies that Frame Relay is running correctly? (Points : 4)
show interfaces
encapsulation frame-relay
show frame-relay map
debug frame-relay


2. (TCO 9) The Network+ exam covers multiple network topics but does not include questions on which of the following areas? (Points : 4)
Media and topologies
Network marketing
Protocols and standards
Network implementation


3. (TCO 4) Information found in a Frame Relay header or address field contains all of the following except for (Points : 4)
DLCI.
C/R.
extended address.
URL.

1. (TCO 5) Access control lists (ACLs) extract information from a packet header to test whether or not access should be permitted or denied. Which of the following is not tested? (Points : 4)
Source IP address
Destination IP address
ICMP message type
TCP address


2. (TCO 5) Extended ACLs filter packets based on certain protocol types, which include (Points : 4)
IP, ICMP, UDP, TCP, or protocol numbers.
IP, UDP, and TCP.
IP, UDP, TCP, or protocol numbers.
UDP and TCP.


3. (TCO 5) Some of the parameters found in an extended ACL include all of the following but (Points : 4)
deny.
permit.
remark.
source-IP.

1. (TCO 6) IEEE 802.11n is defined as (Points : 4)
IEEE WLAN standard for 11 Mbps at 2.4 GHz.
IEEE WiMAX standard.
IEEE WLAN standard for 54 Mbps at 2.4 GHz.
The IEEE WLAN standard for 248 Mbps at 2.4 or 5 GHZ.


2. (TCO 6) This is an algorithm that provides stronger security than DES, is computationally more efficient, and offers three different key lengths (128-bit, 192-bit, and 256-bit keys). (Points : 4)
Data Encryption Standard
Triple DES (3DES)
Advanced Encryption Standard (AES)
Rivest, Shamir, and Adelman (RE) 


3. (TCO 6) A protocol suite for securing IP communications that provides encryption, integrity, and authentication is _____. (Points : 4)
IPsec
Triple DES (3DES)
Advanced Encryption Standard (AES)
Rivest, Shamir, and Adelman (RE)

4. (TCO 7) What kind of network attack has happened from 2005 to the present? (Points : 4)
Worms, including Blaster, MyDoom, and Slammer
Password cracking and war dialing
Viruses, including Love Bug, Nimda, and Code Red
Trojan horses, such as Back Orifice

1. (TCO 1) The majority of network attacks on a corporate network are _____. (Points : 6) 

from the outside (Internet, etc.)
from the inside of the network (intranet)
from vendors or suppliers who have access to the network
from business partners who have access to the network


2. (TCO 1) The type of security control that makes use of firewalls is called _____. (Points : 6)
administrative
physical
technical
clerical


3. (TCO 2) Given the Cisco IOS command login block-for 20 attempts 3 within 30, the number of attempts before user log-ins are blocked is _____. (Points : 6)
20
3
30
1

1. (TCO 2) Which of the following configuration register settings will cause the router to boot normally into the IOS contained in the flash memory? (Points : 6)
0x2100
0x2102
0x2101
0x2142


2. (TCO 3) Which statement best describes a MAC address spoofing attack? (Points : 6)
The attacker gains access to another host and masquerades as that user.
An attacker alters the MAC address of his or her host to match the MAC address of a target host.
An attacker alters the switch’s MAC address to gain access to the network device from an attacker’s host device.
An attacker floods the MAC address table of a switch so that the switch can no longer filter network access based on MAC addresses.


3. (TCO 3) Which of the following switch commands will enable portfast on an interface? (Points : 6)
spanning-tree portfast enable 
spanning-tree portfast
spanning-tree portfast F0/20
spanning-tree portfast default