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42 Questions - Developed by:
The rock
- Developed on:
2015-11-12
- 8.624 taken - 2 people like it
1
Which three pairs of trunking modes will establish a functional trunk link between two Cisco switches? (Choose three.)
Dynamic auto – dynamic auto
Access – trunk
Access – dynamic auto
Dynamic desirable – trunk*dynamic desirable – dynamic auto*dynamic desirable – dynamic desirable*
2
The OSPF Type 1 packet is the _________ packet.
Ospf
Hello
Gordon
Hell
Link
3
Which value represents the “trustworthiness” of a route and is used to determine which route to install into the routing table when there are multiple routes toward the same destination?
Routing protocol
Metric
Outgoing interface
Administrative distance
4
Refer to the exhibit. What is the OSPF cost to reach the R2 LAN 172.16.2.0/24 from R1?
128
74
65
782
5
The default administrative distance for a static route is .
ANS:
5
4
1
2
3
6
Static routes are configured by the use of the global configuration command.
Static
Telnet
ip link
ip route
ip config
7
Refer to the exhibit. If the switch reboots and all routers have to re-establish OSPF adjacencies, which routers will become the new DR and BDR?
Router R3 will become the DR and router R1 will become the BDR.
Router R1 will become the DR and router R2 will become the BDR.
Router R1 will become the DR and router R2 will become the BDR.
Router R4 will become the DR and router R3 will become the BDR
8
What is the purpose of an access list that is created as part of configuring IP address translation?
The access list defines the private IP addresses that are to be translated.
The access list prevents external devices from being a part of the address translation.
The access list defines the valid public addresses for the NAT or PAT pool.
The access list permits or denies specific addresses from entering the device doing the translation.
9
The computers used by the network administrators for a school are on the 10.7.0.0/27 network. Which two commands are needed at a minimum to apply an ACL that will ensure that only devices that are used by the network administrators will be allowed Telnet access to the routers? (Choose two.)
-ip access-group 5 out
-ip access-group 5 in
Access-list standard VTY
Access-list 5 permit 10.7.0.0 0.0.0.31/access-class 5 in*
10
While analyzing log files, a network administrator notices reoccurring native VLAN mismatches. What is the effect of these reoccurring errors?
All traffic on the error-occurring trunk port is being misdirected or dropped.
All traffic on the error-occurring trunk port is being switched correctly regardless of the error.
Unexpected traffic on the error-occurring trunk port is being received.
The control and management traffic on the error-occurring trunk port is being misdirected or dropped.
11
Which two characteristics describe the native VLAN? (Choose two.)
Designed to carry traffic that is generated by users, this type of VLAN is also known as the default VLAN.
High priority traffic, such as voice traffic, uses the native VLAN.
The native VLAN provides a common identifier to both ends of a trunk./The native VLAN traffic will be untagged across the trunk link.
This VLAN is necessary for remote management of a switch.
12
Efer to the exhibit. The Branch Router has an OSPF neighbor relationship with the HQ router over the 198.51.0.4/30 network. The 198.51.0.8/30 network link should serve as a backup when the OSPF link goes down. The floating static route command ip route 0.0.0.0 0.0.0.0 S0/1/1 100 was issued on Branch and now traffic is using the backup link even when the OSPF link is up and functioning. Which change should be made to the static route command so that traffic will only use the OSPF link when it is up?
Change the administrative distance to 1
Change the administrative distance to 120.
Add the next hop neighbor address of 198.51.0.8
Change the destination network to 198.51.0.5
13
Refer to the exhibit. An attacker on PC X sends a frame with two 802.1Q tags on it, one for VLAN 40 and another for VLAN 12. What will happen to this frame?
SW-A will leave both tags on the frame and send it to SW-B, which will forward it to hosts on VLAN 40.
SW-A will remove the outer tag and send the rest of the frame across the trunk link, where SW-B will forward the frame to hosts on VLAN 12.
SW-A will drop the frame because it is invalid.
SW-A will remove both tags and forward the rest of the frame across the trunk link, where SW-B will forward the frame to hosts on VLAN 40.
14
Which statement is true about the difference between OSPFv2 and OSPFv3?
OSPFv3 routers use a 128 bit router ID instead of a 32 bit ID.
OSPFv3 routers do not need to have matching subnets to form neighbor adjacencies.
OSPFv3 routers do not need to elect a DR on multiaccess segments.
OSPFv3 routers use a different metric than OSPFv2 routers use.
15
What are two ways of turning off DTP on a trunk link between switches? (Choose two.)
Configure one port with the dynamic auto command option and the opposite attached switch port with the dynamic desirable command option.
Change the native VLAN on both ports.
Configure attached switch ports with the dynamic desirable command option.
Configure attached switch ports with the nonegotiate command option.*/Place the two attached switch ports in access mode.*
16
Why would an administrator use a network security auditing tool to flood the switch MAC address table with fictitious MAC addresses?
To determine when the CAM table size needs to be increased in order to prevent overflows
To determine if the switch is forwarding the broadcast traffic correctly
To determine which ports are not correctly configured to prevent MAC address flooding
To determine which ports are functioning
17
A new network policy requires an ACL to deny HTTP access from all guests to a web server at the main office. All guests use addressing from the IPv6 subnet 2001: DB8:19: C::/64. The web server is configured with the address 2001: DB8:19: A::105/64. Implementing the NoWeb ACL on the interface for the guest LAN requires which three commands? (Choose three.)
Deny tcp any host 2001: DB8:19: A::105 eq 80* permit ipv6 any any*ipv6 traffic-filter NoWeb in
Deny tcp host 2001: DB8:19: A::105 any eq 80
Permit tcp any host 2001: DB8:19: A::105 eq 80
Ipv6 traffic-filter NoWeb in
Ip access-group NoWeb in
18
An OSPF router has three directly connected networks; 172.16.0.0/16, 172.16.1.0/16, and 172.16.2.0/16. Which OSPF network command would advertise only the 172.16.1.0 network to neighbors?
Router(config-router)# network 172.16.1.0 0.0.0.0 area 0
Router(config-router)# network 172.16.1.0 255.255.255.0 area 0
Router(config-router)# network 172.16.0.0 0.0.15.255 area 0
Router(config-router)# network 172.16.1.0 0.0.255.255 area 0
19
Router(config-router)# network 172.16.1.0 0.0.0.0 area 0
Default route
Ultimate route
Level 1 parent route
Child route
20
Refer to the exhibit. Which type of IPv6 static route is configured in the exhibit?
Floating static route
Directly attached static route
Recursive static route
Fully specified static route
21
Which subnet mask would be used as the classful mask for the IP address 192.135.250.27?
255.255.255.224
255.255.255.0
255.0.0.0
255.255.0.0
22
Which subnet mask would be used as the classful mask for the IP address 128.107.52.27?
255.255.0.0
255.0.0.0
255.255.255.0
255.255.255.224
23
Refer to the exhibit. A small business uses VLANs 8, 20, 25, and 30 on two switches that have a trunk link between them. What native VLAN should be used on the trunk if Cisco best practices are being implemented?
5
1
25
20
8
24
The buffers for packet processing and the running configuration file are temporarily stored in which type of router memory?
ROM
Flash
NVRAM
RAM
25
A network technician is configuring port security on switches. The interfaces on the switches are configured in such a way that when a violation occurs, packets with unknown source address are dropped and no notification is sent. Which violation mode is configured on the interfaces?
Off
Restrict
Shutdown
Protect
26
A standard ACL has been configured on a router to allow only clients from the 10.11.110.0/24 network to telnet or to ssh to the VTY lines of the router. Which command will correctly apply this ACL?
Access-list 11 in
Access-list 110 in
Access-group 11 in
Access-class 11 in
27
What address will summarize the LANs attached to routers 2-A and 3-A and can be configured in a summary static route to advertise them to an upstream neighbor?
10.0.0.0/24
10.0.0.0/22
10.0.0.0/21
10.0.0.0/23
28
A security specialist designs an ACL to deny access to a web server from all sales staff. The sales staff are assigned addressing from the IPv6 subnet 2001: db8:48:2c::/64. The web server is assigned the address 2001: db8:48:1c::50/64. Configuring the WebFilter ACL on the LAN interface for the sales staff will require which three commands? (Choose three.)
Ipv6 traffic-filter WebFilter in
Permit ipv6 any any
Deny tcp host 2001: db8:48:1c::50 any eq 80* deny tcp any host 2001: db8:48:1c::50 eq 80*deny ipv6 any any*
Ip access-group WebFilter in
29
To enable RIP routing for a specific subnet, the configuration command network 192.168.5.64 was entered by the network administrator. What address, if any, appears in the running configuration file to identify this network?
192.168.5.64
192.168.0.0
192.168.5.0
No address is displayed.
30
Refer to the exhibit. An ACL preventing FTP and HTTP access to the interval web server from all teaching assistants has been implemented in the Board Office. The address of the web server is 172.20.1.100 and all teaching assistants are assigned addresses in the 172.21.1.0/24 network. After implement the ACL, access to all servers is denied. What is the problem?
Named ACLs requite the use of port numbers
The ACL is applied to the interface using the wrong direction
The ACL is implicitly denying access to all the servers
Inbound ACLs must be routed before they are processed
31
Refer to the exhibit. Assuming that the routing tables are up to date and no ARP messages are needed, after a packet leaves H1, how many times is the L2 header rewritten in the path to H2?
2
5
1
4
23
32
A router learns of multiple toward the same destination. Which value in a routing table represents the trustworthiness of learned routes and is used by the router to determine which route to install into the routing table for specific situation?
Meter
Colour
Metric
Bread
33
What is the minimum configuration for a router interface that is participating in IPv6 routing?
Protocol
To have only a link-local IPv6 address
OSPF
Link-access
Ipv6
34
Which two statements are true about half-duplex and full-duplex communications? (Choose two.)
Applied to the interface using the wrong direction
Have only a link-local IPv6 address
Static-link
Full duplex offers 100 percent potential use of the bandwidth.* Full duplex allows both ends to transmit and receive simultaneously.*
Order of above
35
The acronym describes the type of traffic that has strict QoS requirements and utilizes a one-way overall delay less than 150 ms across the network.
VoIP
Varda
Static
No-ip
Lookup
36
Which two commands should be implemented to return a Cisco 3560 trunk port to its default configuration? (Choose two.)
S1(config-if)# mdix auto
S1(config-if)# no switchport trunk native vlan* S1(config-if)# no switchport trunk allowed vlan*
It prevents OSPF messages from being sent out any OSPF-enabled interface.
37
Which command will enable auto-MDIX on a device?
S1(config-if)# no switchport trunk allowed vlan
S1(config-if)# no switchport trunk native vlan
S1(config-if)# mdix auto
38
What is the effect of issuing the passive-interface default command on a router that is configured for OSPF?
It prevents OSPF messages from being sent out any OSPF-enabled interface.
Routers that share a link and use the same routing protocol
All of above
Routers that share a link and use the same routing protocol
39
Refer to the exhibit. A network administrator has just configured address translation and is verifying the configuration. What three things can the administrator verify? (Choose three.)
1. The name of the NAT pool is refCount.* 2. A standard access list numbered 1 was used as part of the configuration process.* 3. Address translation is working.*
1
All of above
2
40
Match the router memory type that provides the primary storage for the router feature. (Not all options are used.)
C. RAM
B. NVRAM
A. flash
Console access full operating system > flash limited operating system > ROM routing table > RAM startup configuration file > NVRAM
41
Which two methods can be used to provide secure management access to a Cisco switch? (Choose two.)
Each router floods the LSP to all neighbors, who then store all LSPs received in a database
Configure SSH for remote management.
Each router learns about its own directly connected networks.
Configure specific ports for management traffic on a specific VLAN.
42
Refer to the exhibit. If RIPng is enabled, how many hops away does R1 consider the 2001:0DB8: ACAD:1::/64 network to be?
4
3
2
21
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