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Total 257 questions
Given the CIDR address range of 200.165.160.0 to 200.165.191.255, what is the CIDR block?
- A. 200.165.160.0/17
- B. 200.165.160.0/18
- C. 200.165.160.0/19
- D. 200.165.160.0/20
- E. 200.165.160.0/21
Answer : C
Given these four Class B networks: 172.104.0.0, 172.105.0.0, 172.106.0.0, 172.107.0.0, what is the supernet (CIDR) address that summarizes these four Class B networks?
- A. 172.104.0.0/12
- B. 172.104.0.0/13
- C. 172.104.0.0/14
- D. 172.104.0.0/15
Answer : C
Refer to the exhibit.
Using a single Class C network of 192.168.1.0/24 and VLSM, which two options specify the number of subnets that are needed to support this network and what are the minimum sizes of the required subnets? (Choose two.)
- A. 4 subnets
- B. 6 subnets
- C. 8 subnets
- D. 26 subnets
- E. 28 subnets
- F. Two /30 subnets + one /28 subnets + one /29 subnets
- G. Four /30 subnets + two /28 subnets
- H. Six /30 subnets + two /28 subnets
- I. Twenty six /30 subnets
- J. Twenty eight /30 subnets
Answer : BG
Using VLSM, how many /30 subnets can be derived from a single /27 Class C subnet?
- A. 1
- B. 2
- C. 4
- D. 8
- E. 12
- F. 16
Answer : D
Which subnetwork mask should be used in a point-to-point link in order to use IPv4 address block more efficiently?
- A. 209.165.201.0/32
- B. 209.165.201.0/31
- C. 209.165.201.0/30
- D. 209.165.201.0/29
- E. 209.165.201.0/24
Answer : B
Which two IP addresses can be assigned to hosts? (Choose two.)
- A. 192.168.1.255/23
- B. 192.168.1.255/22
- C. 172.16.28.7/29
- D. 224.0.250.1/24
- E. 10.192.225.225/27
Answer : BE
You are configuring manual route summarization in EIGRP. Which two networks are summarized into 10.134.17.64/27? (Choose two.)
- A. 10.134.17.64 255.255.255.240
- B. 10.134.17.100/30
- C. 10.134.17.0 255.255.255.128
- D. 10.134.17.92/30
Answer : AD
Which three statements about the ARP function are true? (Choose three.)
- A. ARP is used to determine an IP address.
- B. An ARP request is broadcast at Layer 3.
- C. An ARP response is broadcast at Layer 2.
- D. ARP tables are maintained on Layer 3 devices.
- E. The destination MAC address of an ARP request is that of the ARP responder.
- F. ARP requests are broadcast at Layer 2.
- G. ARP resolves MAC addresses to NET addresses.
- H. ARP uses 0x0806 as the Type field in an Ethernet frame.
Answer : DFH
Which statement about STP operations is true?
- A. One root bridge exists per collision domain.
- B. One root port is established per root bridge.
- C. One designated port is defined per segment.
- D. Non-designated ports are set in the forwarding state.
- E. One root port exists per broadcast domain.
Answer : C
DRAG DROP -
Refer to the exhibit.
Drag the ports on the left and drop them on the correct port type on the right. Not all of the left options are needed.
Select and Place:
Answer : 
What two commands enable port security and allow the switch to dynamically learn the connected MAC address? (Choose two.)
- A. switch5(config-if)#switchport port-security
- B. switch5(config)#switchport port-security
- C. switch5(config-if)#switchport port-security mac-address sticky
- D. switch5(config)#switchport port-security mac-address sticky
- E. switch5(config-if)#switchport port-security mac-address dynamic
- F. switch5(config-if)#switchport port-security mac-address auto
Answer : AC
DRAG DROP -
Drag the features from the left and drop them on the matching descriptions on the right. Not all features on the left are used.
Select and Place:
Answer : 
Which Cisco IOS CLI command is used to verify the speed and duplex settings on the Fa0/1 port on a Cisco switch?
- A. show ip interfaces fa0/1
- B. show interfaces fa0/1
- C. show interfaces fa0/1 switchport
- D. show ip interfaces brief
- E. show interfaces switchport
Answer : B
This show output is from the S7 Cisco Metro Switch and the PE7 Cisco ASR 9000 Series Router. Which configuration change(s) is/are needed to bring the S7
FastEthernet 0/2 interface into the up/up state?
S7#show cdp neighbors<OUTPUT OMITTED> Device ID Local Intrfce Holdtme Capability Platform Port IDPE7 Fas 0/2 163 R
ASR9K Ser Gig 0/0/0/0S78 Fas 0/23 146 S I ME-3400E- Fas 0/21S8 Fas 0/21 178 S I ME-3400E-
Fas 0/21 *Mar 20 21:28:02.177: %ETHCNTR-3-HALF_DUX_COLLISION_EXCEED_THRESHOLD: Collisions at FastEthernet0/2 exceed threshold.
Considered as loop-back.*Mar 20 21:28:02.177: %PM-4-ERR_DISABLE: loopback error detected on Fa0/2, putting Fa0/2 in err-disable state*Mar 20
21:28:03.184: %LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/2, changed state to down S7#show interface fa0/2FastEthernet0/2 is down, line protocol is down (err-disabled) Hardware is Fast Ethernet, address is e8ba.70b5.6c04 (bia e8ba.70b5.6c04) MTU 1500 bytes, BW 10000 Kbit, DLY
1000 usec, reliability 255/255, txload 1/255, rxload 1/255 Encapsulation ARPA, loopback not set Keepalive set (10 sec) Half-duplex, 10Mb/s, media type is
10/100BaseTX input flow-control is off, output flow-control is unsupported ARP type: ARPA, ARP Timeout 04:00:00 Last input 00:00:40, output 00:00:00, output hang never Last clearing of "show interface" counters never Input queue: 0/75/0/0 (size/max/drops/flushes); Total output drops: 0 Queueing strategy: fifo Output queue: 0/40 (size/max) 5 minute input rate 0 bits/sec, 0 packets/sec 5 minute output rate 0 bits/sec, 0 packets/sec 484423 packets input, 39349929 bytes, 0 no buffer Received 484423 broadcasts (167203 multicasts) 0 runts, 0 giants, 0 throttles 1 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored 0 watchdog,
167203 multicast, 0 pause input 0 input packets with dribble condition detected 972398 packets output, 128931949 bytes, 0 underruns 0 output errors, 46 collisions, 4 interface resets 0 babbles, 0 late collision, 0 deferred 0 lost carrier, 0 no carrier, 0 PAUSE output 0 output buffer failures, 0 output buffers swapped out RP/0/RSP0/CPU0:PE7#show interfaces gi0/0/0/0GigabitEthernet0/0/0/0 is down, line protocol is down Interface state transitions: 4 Hardware is
GigabitEthernet, address is 4055.392f.40a8 (bia 4055.392f.40a8) Internet address is 192.168.107.70/24 MTU 1514 bytes, BW 100000 Kbit (Max: 100000 Kbit) reliability 255/255, txload 0/255, rxload 0/255 Encapsulation ARPA, Full-duplex, 100Mb/s, THD, link type is force-up output flow control is off, input flow control is off loopback not set, ARP type ARPA, ARP timeout 04:00:00 Last input 00:00:00, output 00:00:35 Last clearing of "show interface" counters never 5 minute input rate 0 bits/sec, 0 packets/sec 5 minute output rate 0 bits/sec, 0 packets/sec 972551 packets input, 128953765 bytes, 729 total input drops 172486 drops for unrecognized upper-level protocol Received 0 broadcast packets, 800781 multicast packets 0 runts, 0 giants, 0 throttles, 0 parity 0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored, 0 abort 484545 packets output, 39360900 bytes, 0 total output drops Output 317283 broadcast packets,
167262 multicast packets 0 output errors, 0 underruns, 0 applique, 0 resets 0 output buffer failures, 0 output buffers swapped out 4 carrier transitions
- A. Enable loopback line on the S7 Fa0/2 interface then shut and no shut the Fa0/2 interface.
- B. Enable duplex half on the PE7 Gi0/0/0/0 interface then shut and no shut the Fa0/2 interface on S7.
- C. Change S7 Fa0/2 interface to duplex full and speed 100 then shut and no shut the Fa0/2 interface.
- D. Just need to no shut the Fa0/2 interface on S7.
- E. Just need to shut and no shut the Fa0/2 interface on S7.
Answer : C
If a bridge port is in the non-designated state, which two statements about spanning-tree operations on this port are true? (Choose two.)
- A. This port is in the Forwarding state.
- B. This port sends BPDUs on the attached link.
- C. This port has the lowest cost to the root bridge.
- D. This port is considered the root port.
- E. This port receives BPDUs.
- F. This port is in the Blocked state.
Answer : EF