[Free] 2018(Mar) EnsurePass Examcollection Cisco 640-911 Dumps with VCE and PDF 31-40
Introducing Cisco Data Center Networking
Question No: 31
What is the most efficient Class C IP subnet that allows for at least 67 usable host addresses?
A. 192.168.67.0 255.255.128.0
B. 172.16.100.0 255.255.255.128
C. 192.168.100.0 255.255.255.128
D. 10.100.100.0 255.255.255.128
E. 172.16.67.0 255.255.128.0
F. 10.100.67.0 255.255.128.0
Question No: 32
Refer to the exhibit. What two commands will allow the Nexus 5000 switch to continue to boot? (Choose two.)
A. boot n5000-uk9-kickstart.5.2.1.N1.4.bin
B. load n5000-uk220.127.116.11.N1.4.bin
copy kickstart-latest n5000-uk9-kickstart.5.2.1.N1.4.bin startup
copy system-latest n5000-uk18.104.22.168.N1.4.bin
boot n5000-uk22.214.171.124.N1.4.bin admin-password Cisco123
Question No: 33
At which layer of the OSI model does TCP operate?
Question No: 34
Which option is an example of an advanced distance vector routing protocol?
Answer: A Explanation:
http://en.wikipedia.org/wiki/Enhanced_Interior_Gateway_Routing_Protocol quot;The Enhanced Interior Gateway Routing Protocol (EIGRP) is an advanced
communications protocol that helps automate routing decisions on a computer network.quot;
Question No: 35
What is the binary value of the hexadecimal number 0x511?
Answer: D Explanation:
Hexadecimal 0x511 Roman MCCXCVII Dotted decimal 0.0.5.17
Question No: 36
What RFC standard defines address ranges that are not routable across public networks?
Question No: 37
Which device forwards data based on the destination IP address?
Question No: 38
Refer to the exhibit. What two destination addresses will be in the packet and frame header generated at PC-A for traffic going to the Server? (Choose two.)
IP address of the Server
MAC address of router interface eth1
IP address of router interface Eth1
MAC address of the Server
IP address of switch interface E1/9
MAC address of switch interface E1/9
Question No: 39
What action does a switch take if the destination MAC address is unknown?
Send ICMP unreachable message to source
Flood packet on all ports
Compare destination IP address against an ACL to determine if it is permitted
Send gratuitous ARP on all ports and wait for reply before forwarding
Answer: C Explanation:
quot;What happens though when the switch receives a frame with a destination MAC address that is not included in the table? In that case the switch will just broadcast/flood the frame with the unknown destination address to all of its ports (apart from the port where the frame came from). This process is called unknown unicast flooding. quot; http://telconotes.wordpress.com/2013/03/09/how-a-switch-works/
Question No: 40
How many IP address ranges are specified in RFC 1918?
1 in Class A, 2 in Class B, and 4 in Class C
2 in Class A, 4 in Class B, and 8 in Class C
4 in Class A, 8 in Class B, and 16 in Class C
1 in Class A, 16 in Class B, and 256 in Class C
Answer: D Explanation:
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