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Q1. Which statement about the inside interface configuration in a NAT deployment is true?
A. It is defined globally
B. It identifies the location of source addresses for outgoing packets to be translated using access or route maps.
C. It must be configured if static NAT is used
D. It identifies the public IP address that traffic will use to reach the internet.
Answer: B
Explanation:
This module describes how to configure Network Address Translation (NAT) for IP address conservation and how to configure inside and outside source addresses. This module also provides information about the benefits of configuring NAT for IP address conservation. NAT enables private IP internetworks that use nonregistered IP addresses to connect to the Internet. NAT operates on a device, usually connecting two networks, and translates the private (not globally unique) addresses in the internal network into legal addresses before packets are forwarded onto another network. NAT can be configured to advertise to the outside world only one address for the entire network. This ability provides additional security by effectively hiding the entire internal network behind that one address.
NAT is also used at the enterprise edge to allow internal users access to the Internet and to allow Internet access to internal devices such as mail servers.
Q2. How many primary IPv4 addresses can be assigned to an interface?
A. unlimited
B. 8
C. 2
D. 1
Answer: A
Explanation:
CiscoIOS software supports multiple IP addresses per interface. You can specify an unlimited number of secondary addresses.
Q3. Which protocol provides best-effort delivery of user data in a network?
A. TCP
B. MAC
C. IP
D. ARP
E. SMTP
Answer: C
Q4. Which Ethernet interface command is present when you boot a new Cisco router for the first time?
A. speed 100
B. shutdown
C. ip address 192.168.1.1 255.255.255.0
D. duplex half
Answer: B
Q5. Which of the following statements describe the network shown in the graphic? (Choose two.)
A. There are two broadcast domains in the network.
B. There are four broadcast domains in the network.
C. There are six broadcast domains in the network.
D. There are four collision domains in the network.
E. There are five collision domains in the network.
F. There are seven collision domains in the network.
Answer: A,F
Q6. Which statement about native VLAN traffic is true?
A. Cisco Discovery Protocol traffic travels on the native VLAN by default
B. Traffic on the native VLAN is tagged with 1 by default
C. Control plane traffic is blocked on the native VLAN.
D. The native VLAN is typically disabled for security reasons
Answer: A
Q7. Which NAT type is used to translate a single inside address to a single outside address?
A. dynamic NAT
B. NAT overload
C. PAT
D. static NAT
Answer: D
Explanation:
Network address translation (NAT) is the process of modifying IP address information in IP packet headers while in transit across a traffic routing device.
There are two different types of NAT:
u2711 NAT
u2711 PAT
Q8. Which feature allows a device to use a switch port that is configured for half-duplex to access the network?
A. CSMA/CD
B. IGMP
C. port security
D. split horizon
Answer: A
Explanation:
Ethernet began as a local area network technology that provided a half-duplex shared channel for stations connected to coaxial cable segments linked with signal repeaters. In this appendix, we take a detailed look at the half-duplex shared-channel mode of operation, and at the CSMA/CD mechanism that makes it work.
In the original half-duplex mode, the CSMA/CD protocol allows a set of stations to compete for access to a shared Ethernet channel in a fair and equitable manner. The protocolu2021s rules determine the behavior of Ethernet stations, including when they are allowed to transmit a frame onto a shared Ethernet channel, and what to do when a collision occurs. Today, virtually all devices are connected to Ethernet switch ports over full-duplex media, such as twisted-pair cables. On this type of connection, assuming that both devices can support the full-duplex mode of operation and that Auto-Negotiation (AN) is enabled, the AN protocol will automatically select the highest-performance mode of operation supported
by the devices at each end of the link. That will result in full-duplex mode for the vast majority of Ethernet connections with modern interfaces that support full duplex and AN.
Q9. Which route source code represents the routing protocol with a default administrative distance of 90 in the routing table?
A. S
B. E
C. D
D. R
E. O
Answer: C
Explanation:
SStatic EEGP DEIGRP RRIP OOSPF
Default Administrative distance of EIGRP protocol is 90 then answer is C
Default Distance Value TableThis table lists the administrative distance default values of the protocols that Cisco supports:
Route Source
Default Distance Values
Connected interface 0
Static route 1
Enhanced Interior Gateway Routing Protocol (EIGRP) summary route
5
External Border Gateway Protocol (BGP) 20
Internal EIGRP 90
IGRP 100 OSPF 110
Intermediate System-to-Intermediate System (IS-IS) 115
Routing Information Protocol (RIP) 120
Exterior Gateway Protocol (EGP) 140
On Demand Routing (ODR) 160
External EIGRP 170
Internal BGP 200
Unknown* 255
Q10. Which command is used to build DHCP pool?
A. ipdhcp conflict
B. ipdhcp-server pool DHCP
C. ipdhcp pool DHCP
D. ipdhcp-client pool DHCP
Answer: C
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