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 CCNA interview questions  CCNA Interview Questions
 CCDA interview questions  CCDA Interview Questions
Question
Why ESP Transport mode is not compatible with NAT?????
Though New IP Header in Tunnel mode & Original IP Header in
Transport mode are out of Authentication & Encryption.
 Question Submitted By :: Shahin
I also faced this Question!!     Rank Answer Posted By  
 
  Re: Why ESP Transport mode is not compatible with NAT????? Though New IP Header in Tunnel mode & Original IP Header in Transport mode are out of Authentication & Encryption.
Answer
# 1
http://publib.boulder.ibm.com/infocenter/iseries/v6r1m0/index.jsp?topic=/rzaja/rzajaudpencap.htm


Please refer that link
 
Is This Answer Correct ?    2 Yes 0 No
Jitu
 

 
 
 
Other CCNA Interview Questions
 
  Question Asked @ Answers
 
Identify the OSI layer responsible for end-to-end connections? A.) Network B.) Transport C.) Session D.) Data link E.) TCP  1
Identify 3 feature of access-lists? A.) Implicit deny will deny any packets not matched B.) Processed sequentially from bottom to top C.) Processed sequentially from top to bottom D.) If a packet is denied it would be tested against the remaining statements in the access-list E.) Once a match is made the packet is either denied or permitted F.) Enabled on all interfaces by default  1
How would you set the clock rate to 64K, on interface serial 0, from the interface configuration mode? A.) clock rate 64000 B.) bandwidth 64 C.) clock 64 D.) rate 64 E.) clock rate 64k F.) clock rate 64  1
Which of the following protocols are used to get an IP address from a known MAC address? A.) BootP B.) TCP C.) IP D.) ARP E.) RARP F.) ICMP  1
What is the default encapsulation of Netware 3.12? A.) Ethernet_II B.) 802.5 C.) 802.2 D.) 802.3  2
what is the difference between 1 router and switch 2 router and hub 3 hub and switch 4 bridge and switch Hathway1
What are the 2 functions of the Data Link Mac layer? A.) Handles access to shared media B.) Manages protocol access to the physical network medium C.) Provides SAPs for higher level protocols D.) Allows multiple devices to uniquely identify one another on the data link layer  1
Identify the 3 kinds of routes IGRP advertises? A.) Interior B.) Dynamic C.) System D.) Exterior  1
Identify the following components of the IPX address 2e.0000.0065.ed43 A.) Not a valid IPX address B.) Network = 2e, Subnet = 0000, Node = 0065.ed43 C.) Network = 2e.0000, Node = 0065.ed43 D.) Network = 2e, Node = 0000.0065.ed43  1
Identify 2 features of X.25? A.) Supports only IP B.) Utilizes switched and permanent virtual circuits C.) Contains minimal flow control and error recovery D.) Utilizes LAPB as it's data-link protocol  1
You need to come up with a TCP/IP addressing scheme for your company. Which two factors must you consider when you define the subnet mask for the network? A.) The location of DHCP servers B.) The volume of traffic on each subnet C.) The number of subnets on the network D.) The location of the default gateway E.) The number of host IDs on each subnet  1
Define Poison Reverse? A.) To prevent regular update messages from reinstating a route that has gone down B.) Packets sent out that are not destined for a network go to the default network C.) Information received on an interface cannot be sent back out the same interface D.) When a network goes down, that network is advertised with an infinite metric  1
Which layer of the 7 layer model is responsible for representing the application information between 2 different OS's? For example, converting ASCII to EBCIDIC. A.) Transport B.) Application C.) Physical D.) Session E.) Presentation F.) Network  2
What utility can you use to see the path a packet takes through an internetwork? A.) Route B.) SNMP C.) Trace D.) Ping  1
what is secure hand shake protocol  2
What is the result of using a hierarchical addressing framework? A. increased availability of addresses B. decreased distance between routers C. increased router memory requirements D. no need to maintain routing information  2
Which of the following are examples of the Datalink Layer? A.) LLC B.) SQL C.) TCP D.) Token Ring E.) IP  2
Write out a config to permit only the below MAC address to pass traffic through a port on your switch. mac-address 0005.1b00.5b58  4
If configuring a Cisco router to connect to a non-Cisco router across a Frame Relay network, which encapsulation type would you select? A.) Q933a B.) ISDN C.) IETF D.) CISCO E.) ANSI  1
hi... i am usin packet tracer 5.0.. i hav connect two routers A and B. A has 200.100.25.100 and 1.0.0.1 and router B has 200.100.50.100 and 1.0.0.2... i hav connected 1.0.0.1 and 1.0.0.2... now i want to route 200.100.25.100 and 200.10.50.100 usin rip.. i enable rip in both the routers... but whn i give the command show ip route... i jus get this Codes: C - connected, S - static, I - IGRP, R - RIP, M - mobile, B - BGP D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2 E1 - OSPF external type 1, E2 - OSPF external type 2, E - EGP i - IS-IS, L1 - IS-IS level-1, L2 - IS-IS level-2, ia - IS-IS inter area * - candidate default, U - per-user static route, o - ODR P - periodic downloaded static route Gateway of last resort is not set A# so can sombody tell me where i hav gone wrong... thanku  4
 
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