Downloadable 4A0-100 Dumps 2021
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NEW QUESTION 1
A Class C network is defined by a:
- A. 32-bit network prefi
- B. 24-bit network prefi
- C. 16-bit networ
- D. 8-bit networ
Answer: B
NEW QUESTION 2
Which field in the Routing Information Base (RIB) determines the direction frames will egress the node?
- A. Preference
- B. Metric
- C. Dest prefix
- D. Next-hop
- E. Cost
Answer: D
NEW QUESTION 3
Given a network address of 116.14.0.0, which of the following is a valid host address when using the subnet mask 255.255.255.240?
- A. 116.14.17.16
- B. 116.14.17.31
- C. 116.14.17.192
- D. 116.14.17.189
Answer: D
NEW QUESTION 4
In the diagram, what type of BGP session is established between the routers of AS 2002?
- A. IGP
- B. IBGP
- C. EBGP
- D. EGP
- E. BGPcannotbe run between routers in the same A
Answer: B
NEW QUESTION 5
What happens immediately after an Ethernet switch receives an Ethernet frame?
- A. It records the destination MAC address and the interface on which it arrive
- B. It records the source MAC address and the interface on which it arrive
- C. It floods the frame out of all its interfaces except the interface on which the frame arrive
- D. It transmits the frame out of the appropriate interfac
Answer: B
NEW QUESTION 6
Which of the following SAP types can be associated to a VPWS? (Choose 3)
- A. Ethernet
- B. ATM
- C. Token Ring
- D. Frame Relay
Answer: ABD
NEW QUESTION 7
Which of the following statements best describes ARPANET?
- A. ARPANET was an early packet switched network initially connecting 4 sites (Stanford, UC Santa Barbara, UCLA, and U of Utah).
- B. The mission of ARPANET was to connect packet switched networks and other diverse networks,making an international network of network
- C. ARPANET connected sites spread around the Hawaiian Islands to a central time-sharing computer on the University of Hawaii campu
- D. ARPANET was based on the use of TCP/IP to interconnect diverse system
Answer: A
NEW QUESTION 8
What must the sender do when it receives a window size of 0 from the receiver?
- A. Stop transmittin
- B. Terminate the TCP sessio
- C. Send the next segmen
- D. Retransmit the previous segmen
Answer: A
NEW QUESTION 9
Which of the following describes the normal sequence of events in the forming of an OSPF adjacency?
- A. Hello exchange, DB descriptor exchange, Link state requests and update
- B. DB descriptor exchange, Link state requests and updates, Hello exchang
- C. Link state requests and updates, Hello exchange, DB descriptor exchang
- D. Hello exchange, Link state requests and updates, DB descriptor exchang
Answer: A
NEW QUESTION 10
Which compact flash on a Control/Switch processor of an Alcatel-Lucent 7750 router stores the runtime image and running configuration?
- A. CF 1
- B. CF 2
- C. CF 3
- D. Both A and B
Answer: C
NEW QUESTION 11
Address summarization reduces the routing table size by:
- A. Allowing a contiguous block of network addresses to be represented by one network prefi
- B. Increasing the number of addresses in the routing tabl
- C. Summarizing addresses in the network into smaller routing table
- D. Not advertising directly connected route
Answer: A
NEW QUESTION 12
In an MPLS network, which device is responsible for taking an unlabeled packet and encapsulating it with an MPLS label?
- A. Ingress Label Edge Router
- B. Egress Label Edge Router
- C. Label Switching Router
- D. Next Hop Router
Answer: A
NEW QUESTION 13
Whichof the following is the best description of well known ports?
- A. Well known ports apply to routers only and are used for communication and control traffi
- B. Well known port numbers are assigned by IANA and can have any valu
- C. Well known ports are used by TCP and UD
- D. Well known port numbers range from 1024 to 65535 and are assigned by IAN
- E. Well known port numbers are used by both TCP and UD
- F. Well known port numbers range from 1 to 1023 and are assigned by IAN
- G. Well known ports numbers are used by TCP onl
- H. Well known port numbers are assigned by IANA and can have any valu
Answer: C
NEW QUESTION 14
Which statement best describes an SDP?
- A. Service Delivery Points are defined on the service provider network side and used to bind the service to an MPLS transport tunne
- B. Many services can be bound to a single SD
- C. Service Delivery Points are defined on the service provider access side and used to bind the connection of the service to CE devic
- D. Many services can be bound to a single SD
- E. Service Delivery Points are defined on the service provider network side and used to bind the service to an MPLS transport tunne
- F. Only one service can be bound to a single SD
- G. Service Delivery Points are defined on the service provider access side and used to bind the service to CE devic
- H. Only one service can be bound to a single SD
Answer: A
NEW QUESTION 15
What is the purpose of the Data Link Layer in the OSI model?
- A. The Data Link Layer is responsible for encapsulating the packet into a frame for transmission on the transmission medi
- B. The Data Link Layer is responsible for encapsulating the packet into an IP header and routing the packe
- C. The Data Link Layer is responsible for formatting the packet for applications such as JPEG forma
- D. The Data Link Layer is responsible for timing of the signals on the transmission media
Answer: A
NEW QUESTION 16
Which of the following is true of Ethernet half-duplex transmission?
- A. Half-duplex transmission is less efficient because the frame MTU is smalle
- B. Half-duplex transmission is only 30-40% efficient because of collision
- C. Ethernet switches support half-duplex transmission onl
- D. All of the abov
Answer: B
NEW QUESTION 17
How is Ethernet II different from Ethernet 802.3?
- A. Ethernet II can be used on broadcast networks where as 802.3 was designed for point-to-point network
- B. Ethernet II identifies its payload type where as 802.3 indicates the frame lengt
- C. Ethernet II identifies its frame length while 802.3 indicates the payload typ
- D. Ethernet II and Ethernet 802.3 are two different names for the same protoco
Answer: B
NEW QUESTION 18
Which of the following information can be seen within the FILE context of the SR 7x50? (Choose 2)
- A. File sizes
- B. Port statistics
- C. Log-id 100 files
- D. TiMOS image files
Answer: AD
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