NEW QUESTION 1
What is the purpose of the source and destination ports in the TCP header?

• A. These ports identify the physical location of the sender and the receiver on the IP route
• B. These ports are used as addresses to communicate with the IP laye
• C. TCP does not use source or destination port
• D. These ports are used as an address to identify the upper layer application using the TCP connectio

Answer: D

NEW QUESTION 2
What is required if devices on different VLANs wish to communicate with each other?

• A. Devices on different VLANs cannot communicate with each othe
• B. Devices on different VLANs can communicate with each other as long as they are connected to the same switc
• C. Devices on different VLANs can communicate with each other as long as the switches they are attached to are connected to each other with an Ethernet connectio
• D. Devices on different VLANs can communicate with each other if there is an IP router to connect the VLAN

Answer: D

NEW QUESTION 3
Which of the following statements are TRUE about the Alcatel-Lucent SR 7750? (Choose 2)

• A. It can boot without a compact flash in the CF3 slo
• B. It cannot boot without a compact flash in the CF3 slo
• C. It can operate without a compact flash in the CF3 slot once it has boote
• D. It cannot operate without a compact flash in the CF3 slot once it has boote

Answer: BC

NEW QUESTION 4
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 5
What happens in a TCP session if a segment is not acknowledged within a certain time period?

• A. The missing segment is retransmitte
• B. The TCP session is terminate
• C. The sender sends the next segmen
• D. An ICMP destination unreachable message is sen

Answer: A

NEW QUESTION 6
How is Ethernet II different from Ethernet 802.3?

• A. Ethernet 802.3 can only be used on point-to-point links, while Ethernet II can be used on broadcast network
• B. In Ethernet II the 2 bytes after the source MAC address is used as a type indicato
• C. In Ethernet 802.3 these two bytes indicate the length of the fram
• D. In Ethernet 802.3, the 2 bytes after the source MAC address is used as a type indicato
• E. In Ethernet II these two bytes indicate the length of the fram
• F. Ethernet II and Ethernet 802.3 are two different names for the same protocol

Answer: B

NEW QUESTION 7
The TCP/IP and OSI models of protocol aresimilar in that they both have:

• A. An application and session laye
• B. A network layer that provides a universal and consistent forwarding servic
• C. A transport layer with two protocol
• D. An applications services layer with similar layering and service definition

Answer: C

NEW QUESTION 8
TCP is sending data in 5 segments with SEQ numbers 27000, 27500.28000, 28500, and 29000 respectively. During transmission, the segment with SEQ=28500 is dropped in the network. How does TCP handle this situation?

• A. The receiving end station sends an ACK flag with SEQ=28000 to indicate it has received a segment out of orde
• B. The receiving station sends a NACK frame with SEQ=28500 requesting that the frame be retransmitted
• C. Once the reciever's window is ful
• D. TCP assembles the payload and determines that SEQ=28500 is missin
• E. At this point, the reciever sends the RST flag with SEQ=28500 to Request Single Transmission of the missing segmen
• F. TCP will collect the segments and forward them to the application layer where the SEQ numbers will be processed and a retransmit request will occur for the entire packe

Answer: C

NEW QUESTION 9
Which field in the TCP header is used by the receiver to indicate how many segments it can receive?

• A. Checksum
• B. SYN
• C. Destination port
• D. Window size
• E. MTU

Answer: D

NEW QUESTION 10
If a 4-port LAG is configured with the option of 'port-threshold 2' and 'action down' what will
happen if the total operational links in the LAG is 2?

• A. If dynamic-cost is enabled it will adjust the cost for routing protocols such as OSP
• B. If dynamic-cost is not enabled it will adjust the cost for routing protocols such as OSPF by dividing the link bandwidth by 2.
• C. The LAG will be changed to an operational state of 'down'.
• D. The LAG will function with only 2 port
• E. There will be no change to the routing metri

Answer: C

NEW QUESTION 11
What protocol is used by ping to verify IP network reachability?

• A. DCHP
• B. ICMP
• C. ARP
• D. NAT

Answer: B

NEW QUESTION 12
Which of the following IP header fields contains information that indicates whether routers are allowed to fragment a packet?

• A. Header checksu
• B. Fragmentation offse
• C. Flag
• D. Identificatio

Answer: C

NEW QUESTION 13
Which bit pattern identifies the network address in the subnet mask?

• A. A string of consecutive 1'
• B. A string of consecutive0'
• C. A string of alternating 10'
• D. The network address is determined by masking the source address with a port's ifIndex binary representatio

Answer: A

NEW QUESTION 14
What must occur before two hosts can exchange data using TCP?

• A. Nothin
• B. The two hosts can send data to each other at any tim
• C. The two hosts must negotiate a path MTU to be used for the data exchang
• D. The two hosts must perform a 3-way handshake before transmitting dat
• E. The two hosts must exchange encryption keys before transmitting dat

Answer: C

NEW QUESTION 15
What distance is supported using CAT-5 cabling for 10/100/1000 TX?

• A. 100
• B. 500
• C. 1 K
• D. 10 K

Answer: A

NEW QUESTION 16
Based on the network diagram (click the Exhibit Button),

what are the prefix, mask, and next-hop used on CR1 to setup a default static route to R1?

• A. 0.0.0.0/0 next-hop 10.2 3.2
• B. 0.0.0.0/32 next-hop 10.2.3.2
• C. 10.2.3.2/32 next-hop 0.0.0.0/0
• D. 0.0.0.0/0 next-hop 192.168.2.0

Answer: A

NEW QUESTION 17
One of the tasks of the boot options file (BOF) is to:

• A. Specify authorization information to control access to the route
• B. Define an IP address for the CPM Ethernet por
• C. Initialize the hardwar
• D. Set the date/time for the syste

Answer: B

NEW QUESTION 18
Which of the following are considered Virtual Private Network (VPN) technologies? (Choose 3)

• A. BGP
• B. VPWS
• C. VPRN
• D. ISP
• E. VPLS

Answer: BCE

NEW QUESTION 19
In the diagram, what type of BGP session is established between the routers of AS 65001 and AS 2002?

• A. IGP
• B. IBGP
• C. EBGP
• D. EGP
• E. BGPcannotbe run between routers in different AS

Answer: C

NEW QUESTION 20
SAPs may be a port, a port with a specific VLAN tag in the case of an Ethernet port, or a port with a specific Circuit ID in the case of ATM or Frame Relay.

• A. True
• B. False

Answer: A