CCNA Answers
CCNA Answers 2011 – CCNA Exploration 4.0 Blog
CCNA Answers 2011 – CCNA Exploration 4.0 Blog
Jan 10th
Welcome to this blog
I hope this blog will help you pass ccna final exam.
I will update all questions and answers
Jan 8th
1. What functionality do access control lists provide in the implementation of dynamic NAT on a Cisco router?
define which addresses can be translated
define which addresses are assigned to a NAT pool
define which addresses are allowed out the router
define which addresses can be accessed from the inside network
2. Which three guidelines would help contribute to creating a strong password policy? (Choose three.)
Once a good password is created, do not change it.
Deliberately misspell words when creating passwords.
Create passwords that are at least 8 characters in length.
Use combinations of upper case, lower case, and special More >
Jan 8th
1. What combination of IP address and wildcard mask should be used to specify only the last 8 addresses in the subnet 192.168.3.32/28? 192.168.3.32 0.0.0.7 192.168.3.32 0.0.0.15 192.168.3.40 0.0.0.7 192.168.3.40 0.0.0.15
2. Excessive broadcasts are generally a symptom of a problem at which layer? physical data link network transport 3.
Refer to the exhibit. Which three pieces of information can be determined by analyzing the output shown? (Choose three.) A carrier detect signal is present. Keepalives are being received successfully. Default encapsulation is used on this serial link. Packets passing this interface cannot exceed 1 KB in size. The reliability of this link is very low. The LCP negotiation More >
Jan 8th
CCNA 4 Chapter 7 V4.0 Answers 2011 updated
Contact: ccnafinal.net@gmail.com
1.
ccna 4 chapter 7
Refer to the exhibit. Traffic exiting R1 is failing translation. What part of the configuration is most likely incorrect? ip nat pool statement access-list statement ip nat inside is on the wrong interface interface s0/0/2 should be a private IP address
2.
ccna 4 chapter 7
Refer to the exhibit. What is the purpose of the command marked with an arrow shown in the partial configuration output of a Cisco broadband router? defines which addresses can be translated defines which addresses are allowed into the router defines which addresses are assigned to a NAT pool defines which addresses More >
Jan 8th
1. Which two protocols can be used to encapsulate traffic that is traversing a VPN tunnel? (Choose two.) ATM CHAP IPsec IPX MPLS PPTP
2. What are the three main functions of a secure VPN? (Choose three.) accounting authentication authorization data availability data confidentiality data integrity
3. Data confidentiality through a VPN can be enhanced through the use of which three encryption protocols? (Choose three.) AES DES AH hash MPLS RSA
4. While monitoring traffic on a cable network, a technician notes that data is being transmitted at 38 MHz. Which statement describes the situation observed by the technician? Data is being transmitted from the subscriber to the headend. Data is flowing downstream. More >
Jan 8th
1. The following commands were entered on a router: Router(config)# access-list 2 deny 172.16.5.24 Router(config)# access-list 2 permit any The ACL is correctly applied to an interface. What can be concluded about this set of commands? The wildcard mask 0.0.0.0 is assumed. The access list statements are misconfigured. All nodes on the 172.16.0.0 network will be denied access to other networks. No traffic will be allowed to access any nodes or services on the 172.16.0.0 network.
2. Interface s0/0/0 already has an IP ACL applied inbound. What happens when the network administrator attempts to apply a second inbound IP ACL? The second ACL is applied More >
Jan 8th
1. Which two statements are true regarding network security? (Choose two.) Securing a network against internal threats is a lower priority because company employees represent a low security risk. Both experienced hackers who are capable of writing their own exploit code and inexperienced individuals who download exploits from the Internet pose a serious threat to network security. Assuming a company locates its web server outside the firewall and has adequate backups of the web server, no further security measures are needed to protect the web server because no harm can come from it being hacked. Established network operating systems like UNIX and More >
Jan 8th
1. Which three actions might a Frame Relay switch perform when it detects an excessive build-up of frames in its queue? (Choose three.) puts a hold on accepting frames in excess of the CIR drops frames from the queue that have the DE bit set reduces the number of frames it sends over the link re-negotiates flow control with the connected device sets the FECN bit on all frames it receives on the congested link sets the BECN bit on all frames it places on the congested link
2. Which best describes the benefit of using Frame Relay as opposed to a leased line More >
Jan 8th
1.
Refer to the exhibit. Router R1, the DCE device, has just been configured for PPP encapsulation with authentication. What series of commands will allow another router, the DTE device, to communicate over its serial 0/0/0 interface to router R1? Router(config)# hostname R3 R3(config)# username R1 password Cisco R3(config)# interface Serial 0/0/0 R3(config-if)# encapsulation ppp R3(config-if)# ip address 172.16.3.3 255.255.255.0 R3(config-if)# ppp authentication chap Router(config)# hostname R3 R3(config)# username R3 password Cisco R3(config)# interface Serial 0/0/0 R3(config-if)# encapsulation ppp R3(config-if)# ip address 172.16.3.3 255.255.255.0 R3(config-if)# ppp authentication chap Router (config)# username Router password Cisco Router (config)# interface Serial 0/0/0 Router (config-if)# clockrate 64000 Router (config-if)# encapsulation ppp Router (config-if)# ip address 172.16.3.1 255.255.255.0 Router config-if)# ppp authentication chap Router (config)# More >
Jan 8th
1. Which statement is true about the differences between a WAN and a LAN? WANs generally support higher bandwidth than LANs support. A WAN link typically traverses shorter geographic distances than a LAN link traverses. A WAN often relies on the services of carriers, such as telephone or cable companies, but a LAN does not. All WAN implementations generally use the same Layer 2 protocol but there are many accepted LAN Layer 2 protocols in use.
2. A U.S. company requires a WAN connection used only to transfer sales data from individual stores to the home office. All transfers will occur after business hours. More >