4A0-100 Exam Questions
388 real 4A0-100 exam questions with expert-verified answers and explanations. Page 2 of 8.
- Question #51
Which of the following IP header fields contains information that indicates whether routers are allowed to fragment a packet?
- Question #52
What is the main purpose of IP fragmentation?
- Question #53
Which of the following is a characteristic of Port Address Translation?
- Question #54
Which of the following describes an IP filter on the Alcatel-Lucent 7750 SR?
- Question #55
Which of the following command lines would be found in a list of commands designed to permit only certain type of traffic from exiting router RTR-A to router RTR-B?
- Question #56
What is the sequence of messages sent by a host when it attempts to ping a destination for which it has no Address Resolution Protocol (ARP) cache entry?
- Question #57
Which of the following best describes the function of an ARP cache within the same subnet?
- Question #58
What is the sequence of events for a client to receive an IP address from the server in the DHCP?
- Question #59
Which of the following statements is TRUE about ICMP?
- Question #60
What protocol is used by ping to verify IP network reachability?
- Question #61
When a device in an IP network receives an echo request message that is destined for itself, it then:
- Question #62
What ICMP message type will a router use to indicate to a host that an IP datagram sourced from that host cannot be delivered?
- Question #63
A set of tasks that move a packet from its entry into an IP network to itsexit from the IP network. Thisdescribes:
- Question #64
Which field in the IP routing table contains the name or address of the neighbour that advertised the prefix to the router?
- Question #65
What is the function of the Routing Table Manager?
- Question #66
Which of the following is characteristic of a static route?
- Question #67
Which of the following describes a static default route?
- Question #68
Based on the network diagram (click on the exhibit), what is the command to use on R1 to setup a static route to the network on CR1
- Question #69
Based on the network diagram, (click on exhibit) what is the command to use on CR1 to setup a default static route to R1?
- Question #70
Based on the network diagram (click on exhibit), R2 wants to connect to the networks behind CR1 using a static-route. What is the correct syntax given the choices below? R1 has a v...
- Question #71
Based on the network diagram (click on exhibit), Router 1 installs the network D in its routing table, based on a dynamic routing update from Router 2. Which of the following descr...
- Question #72
What are the tasks of the Routing Table Manager (RTM)? Choose two
- Question #73
What are some of the characteristics of BGP? Choose three
- Question #74
Which is the public AS in the diagram?
- Question #75
In the diagram, what type of BGP session is established between the routers of AS 2002?
- Question #76
In the diagram, what type of BGP session is established between the routers of AS 65001 and AS 2002?
- Question #77
Which of the following statements describes the purpose of the Transport Layer in the TCP/IP stack?
- Question #78
Which of the following is NOT a function of TCP?
- Question #79
What must occur before two hosts can exchange data using TCP?
- Question #80
Host A is transmitting data to host B on a TCP connection. What is the purpose of the ACK sent by host B?
- Question #81
Host A receives a TCP SYN/ACK segment. What does this signify?
- Question #82
What is the purpose of the source and destination ports in the TCP header?
- Question #83
Which of the following is NOT a field in a TCP header?
- Question #84
Which of the following fields is not a field in the TCP header used for the establishment and termination of a TCP connection?
- Question #85
The sequence numbers are used by TCP to ensure that the data receive is provided to the application in the correct order.
- Question #86
What happens in a TCP session if a segment is not acknowledged within a certain time period?
- Question #87
What is the purpose of TCP flow control?
- Question #88
Which field in the TCP header is used by the receiver to indicate how many segments it can receive?
- Question #89
What must the sender do when it receives a window size of 0 from the receiver?
- Question #90
Which of the following statements BEST describes the purpose of UDP (Select two)?
- Question #91
Why does UDP have less overhead than TCP?
- Question #92
Which application below would be likely to use UDP?
- Question #93
How does the Transport Layer identify which application is to receive the data?
- Question #94
What capability of TCP/IP allows two hosts to have multiple TCP sessions to each other simultaneously?
- Question #95
What operation is performed by an LSR when it receives an MPLS labeled packet?
- Question #96
What is the function of an LSR?
- Question #97
In an MPLS network, which device is responsible for taking an unlabeled packet and encapsulating it with an MPLS label?
- Question #98
Which of the following are correct statements about MPLS labels (Choose three)?
- Question #99
Which device is responsible for removing the MPLS label before the packet reaches the CE device?
- Question #100
Which two protocols are used for the dynamic signaling of MPLS labels (Choose two)?