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Update 640-875 Dumps with VCE and PDF for Free (Question 31 – Question 45)

New 640-875 exam questions from PassLeader 640-875 dumps! Welcome to download the newest PassLeader 640-875 VCE and PDF dumps: http://www.passleader.com/640-875.html (202 Q&As)

P.S. Free 640-875 dumps are available on Google Drive shared by PassLeader: https://drive.google.com/open?id=0B-ob6L_QjGLpZGpwNTVrRmdFaVU

QUESTION 31
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

QUESTION 32
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

QUESTION 33
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?
passleader-640-875-dumps-331
*Mar 20 21:28:02.177: %ETHCNTR-3-HALF_DUX_COLLISION_EXCEED_THRESHOLE. Collisions at FastEthernet0/2 exceed threshold. Considered as loop-back.
*Mar 20 21:28:02.177: %PM-4-ERR_DISABLF. 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 fa0/2
FastEthernet0/2 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 typF. 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 queuF. 0/75/0/0 (size/max/drops/flushes); Total output drops: 0
Queueing strategy: fifo
Output queuF. 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 gi0/0/0/0
GigabitEthernet0/0/0/0 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

QUESTION 34
What does a transparent LAN switch use to build its CAM table?

A.    BPDU messages exchanged with neighbor bridges
B.    STP messages exchanged with neighbor bridges
C.    dynamic routing protocol updates from neighbor bridges
D.    analysis of the source MAC address of incoming frames on the bridge ports

Answer: D

QUESTION 35
You are having problems browsing to http://www.cisco.com from your laptop that is running Windows. Your laptop is connected directly to a default gateway, which is a Cisco ISR G2 router. Which four options are the basic troubleshooting steps that you should use to troubleshoot this issue? (Choose four.)

A.    Issue the ipconfig command from the Windows command line on your laptop to determine your laptop IP address and the default gateway IP address.
B.    Issue the ipconfig /all command from the Windows command line on your laptop to determine the DNS server IP address.
C.    Issue the ping {default gateway IP address} command from the Windows command line on your laptop to verify connectivity to the default gateway.
D.    Issue the ping {DNS server IP address} command from the Windows command line on your laptop to verify connectivity to the DNS server.
E.    Issue the ping tcp www.cisco.com 80 command from the Windows command line on your laptop to verify TCP port 80 connectivity to the www.cisco.com server.
F.    From the ISR G2 CLI, issue the ping tcp www.cisco.com 80 command to verify TCP port 80 connectivity to the www.cisco.com server.
G.    From the ISR G2 CLI, issue the ISR-G2#tracert www.cisco.com command to verify connectivity to the www.cisco.com server.
H.    From the ISR G2 CLI, issue the ISR-G2#nslookup www.cisco.com command to determine the IP address of the www.cisco.com server.

Answer: ABCD

QUESTION 36
Refer to the exhibit. You want to enable these three actions:
– Enable the fa0/1 router’s interface to obtain its interface IP address dynamically from a DHCP server.
– Enable the router to configure the next hop ip address of the default route automatically based on the DHCP response.
– Enable the router to act as the DHCP server for other clients connected to the router fa0/2 interface.
Which three Cisco IOS configurations must you use? (Choose three.)
passleader-640-875-dumps-361

A.    ip route 0.0.0.0 0.0.0.0 fa0/1
B.    ip route 0.0.0.0 0.0.0.0 dhcp
C.    ip dhcp excluded-address 192.168.101.1
D.    !
ip dhcp pool test1
network 192.168.101.0 255.255.255.0
default-router 192.168.101.1
dns-server 200.165.200.101
ip dhcp pool test2
E.    ip local pool test2 192.168.101.2 192.168.101.254
default-router 192.168.101.1
dns-server 200.1665.200.101
int fa0/1
F.    ip address auto
int fa0/1
G.    ip address dhcp
int fa0/1
H.    ip helper-address dhcp

Answer: BCF

QUESTION 37
You need to enable the “local-router” serial 0/0 connection to the “remote-router” to be authenticated using the “C!sco!23” password. The password cannot be sent in cleartext between the two routers. The “remote-router” has already been configured with all the required configurations. Which four Cisco IOS configurations are necessary? (Choose four.)

A.    hostname local-router
B.    int s0/0
C.    encap hdlc
int s0/0
D.    encap ppp
int s0/0
E.    ppp authentication pap
int s0/0
F.    ppp authentication chap
ip domain-name test.com
G.    username remote-router password C!sco!23
H.    username local-router password C!sco!23

Answer: ACEG

QUESTION 38
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.)
passleader-640-875-dumps-381

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

QUESTION 39
Which two statements about Cisco IOS XE operations are true? (Choose two.)

A.    Cisco IOS XE uses a two-stage configuration method.
B.    Using the commit global configuration command, all the committed changes will be persistent across reboots.
C.    The copy run start command makes the configuration changes persistent across reboots.
D.    The erase start command followed by the reboot command brings up the router without any configurations.
E.    There is no concept of a startup-config in Cisco IOS XE.

Answer: CD

QUESTION 40
Which option is enabled by default on Cisco IOS and IOS XE routers?

A.    IPv6 unicast routing
B.    IPv4 unicast routing
C.    IPv6 and IPv4 unicast routing
D.    SSH server
E.    HTTP server
F.    SSH and HTTP server
G.    AAA console login authentication

Answer: B

QUESTION 41
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

QUESTION 42
On Cisco IOS Switches, which port security violation mode results in frames from non-allowed MAC address being dropped, log message created, and SNMP trap sent?

A.    protect
B.    restrict
C.    shutdown
D.    err-disabled
E.    log

Answer: B

QUESTION 43
On Cisco IOS XR, for which purpose is the turboboot procedure used?

A.    to boot the router into ROM Monitor mode
B.    to install the IOS XR software from scratch using the ROM Monitor mode
C.    to install and boot up a PIE
D.    to install and boot up a SMU
E.    to perform an ISSU
F.    to speed up the time it takes to boot up the IOS XR router

Answer: B

QUESTION 44
Which statement about 10/40/100 GigabitEthernet interface configuration on Cisco IOS XR is true?

A.    Use the negotiation auto command in interface configuration mode to enable link auto- negotiation to ensure that devices that share a link segment are automatically configured with the highest performance.
B.    The configuration supports only full-duplex operation.
C.    The range for MTU values is 64 bytes to 1518 bytes on the interface.
D.    The interface has no flow control configuration.

Answer: B

QUESTION 45
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


New 640-875 exam questions from PassLeader 640-875 dumps! Welcome to download the newest PassLeader 640-875 VCE and PDF dumps: http://www.passleader.com/640-875.html (202 Q&As)

P.S. Free 640-875 dumps are available on Google Drive shared by PassLeader: https://drive.google.com/open?id=0B-ob6L_QjGLpZGpwNTVrRmdFaVU