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2021 Aug 4A0-100 question
Q81. The 201.148.26.0/24 network is subnetted using a /26 mask. How many subnets and host addresses will be obtained with this mask?
A. 4 subnets, 64 hosts
B. 64 subnets, 4 hosts
C. 4 subnets, 62 hosts
D. 64 subnets, 2 hosts
E. 6 subnets, 30 hosts
Answer: C
Q82. 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
A. config router static-route 192.168.2.0/24 next-hop 10.2.3.2
B. config router static-route 10.2.3.1 next-hop 192.168.2.0
C. config router static-route 192.168.2.0/24 next-hop 10.2.3.1
D. config router static-route 10.2.3.2 next-hop 192.168.2.0
Answer: C
Q83. At what stage in the packet forwarding process,is the IP packet header examined?
A. When the router first receives a frame from a LAN.
B. After the forwarding table is checked.
C. After the IP datagram is extracted from the L2 frame.
D. Immediately before the IP packet is encapsulated for transmission.
Answer: C
Q84. Which two protocols are used for the dynamic signaling of MPLS labels (Choose two)?
A. RSVP-TE
B. CSPF
C. PNNI
D. LDP
Answer: A,D
Q85. A typical Alcatel-Lucent 7750 SR Media Dependent Adapter (MDA) interfaces with:
A. A Small Form-Factor Pluggable (SFP) module.
B. The Central Processing Unit (CPU).
C. The Control Plane.
D. The Switch Fabric.
Answer: A
Abreast of the times 4A0-100 training:
Q86. Which of the following is a private IP network address reserved by the IANA?
A. 172.30.0.0/16
B. 192.100.0.0/24
C. 172.0.0.0/16
D. 169.254.0.0/16
E. 11.0.0.0/8
Answer: A
Q87. 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 AS.
Answer: B
Q88. 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 networks.
B. Ethernet II identifies its payload type where as 802.3 indicates the frame length.
C. Ethernet II identifies its frame length while 802.3 indicates the payload type.
D. Ethernet II and Ethernet 802.3 are two different names for the same protocol.
Answer: B
Q89. What capability of TCP/IP allows two hosts to have multiple TCP sessions to each other simultaneously?
A. The combination of IP source and destination address and TCP source and destination port uniquely identifies each session.
B. The combination of IP source and destination address and the IP protocol field uniquely identifies each session.
C. The hosts can identify the sessions using each others MAC addresses.
D. Two hosts can not have multiple TCP sessions simultaneously.
Answer: A
Q90. A set of tasks that move a packet from its entry into an IP network to itsexit from the IP network. Thisdescribes:
A. IP routing.
B. IP protocol.
C. IP encapsulation.
D. IP tunneling.
Answer: A