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Question 22/82
Which two prefixes are martian routes by default? (Choose two.)
Correct Answer: B,D
Explanation/Reference:
Explanation:
Martian addresses are host or network addresses about which all routing information is ignored. When received by the routing device, these routes are ignored. They commonly are sent by improperly configured systems on the network and have destination addresses that are obviously invalid. To view the default and configured martian routes, run the show route martians command. IPv4 Martian Addresses user@host> show route martians table inet.
inet.0:
0.0.0.0/0 exact -- allowed
0.0.0.0/8 orlonger - disallowed
127.0.0.0/8 orlonger -- disallowed
192.0.0.0/24 orlonger - disallowed
240.0.0.0/4 orlonger -- disallowed
224.0.0.0/4 exact - disallowed
224.0.0.0/24 exact - disallowed
inet.1:
0.0.0.0/0 exact -- allowed
0.0.0.0/8 orlonger -- disallowed
127.0.0.0/8 orlonger -- disallowed
192.0.0.0/24 orlonger -- disallowed
240.0.0.0/4 orlonger -- disallowed Etc.
Reference:
https://www.juniper.net/documentation/en_US/junos16.1/topics/concept/martian-addresses- understanding.html
Explanation:
Martian addresses are host or network addresses about which all routing information is ignored. When received by the routing device, these routes are ignored. They commonly are sent by improperly configured systems on the network and have destination addresses that are obviously invalid. To view the default and configured martian routes, run the show route martians command. IPv4 Martian Addresses user@host> show route martians table inet.
inet.0:
0.0.0.0/0 exact -- allowed
0.0.0.0/8 orlonger - disallowed
127.0.0.0/8 orlonger -- disallowed
192.0.0.0/24 orlonger - disallowed
240.0.0.0/4 orlonger -- disallowed
224.0.0.0/4 exact - disallowed
224.0.0.0/24 exact - disallowed
inet.1:
0.0.0.0/0 exact -- allowed
0.0.0.0/8 orlonger -- disallowed
127.0.0.0/8 orlonger -- disallowed
192.0.0.0/24 orlonger -- disallowed
240.0.0.0/4 orlonger -- disallowed Etc.
Reference:
https://www.juniper.net/documentation/en_US/junos16.1/topics/concept/martian-addresses- understanding.html
- Question List (82q)
- Question 1: Which static route next-hop value indicated that the packet ...
- Question 2: A customer discovered that a significant outage was caused b...
- Question 3: Click to the exhibit button. Referring to the exhibit, which...
- Question 4: Click the Exhibit button. (Exhibit) Referring to the exhibit...
- Question 5: Which connection method do OSPF routers use to communicate w...
- Question 6: Which two port security features are dependent on the DHCP s...
- Question 7: Which two statements are correct about aggregate routes in t...
- Question 8: What BGP attribute is mostly likely to influence a remote AS...
- Question 9: Click the Exhibit button. (Exhibit) A routing table contains...
- Question 10: What is considered a requirement for passing traffic through...
- Question 11: What information is included in the DHCP snooping database? ...
- Question 12: Which three statements are correct about the voice VLAN feat...
- Question 13: Click the Exhibit button. (Exhibit) You manage the Layer 2 n...
- Question 14: You are asked to ensure that a designated interface on an EX...
- Question 15: Which three BGP attributes are well-known and mandatory? (Ch...
- Question 16: Which two statements are true about the IRB interface? (Choo...
- Question 17: Which two statements are correct regarding the root bridge e...
- Question 18: Referring to the exhibit, which three actions would summariz...
- Question 19: Which statement is true about GRE tunnels?...
- Question 20: Which two statements describe the BGP Local Preference attri...
- Question 21: Which three link-specific fields must match between OSPF nei...
- Question 22: Which two prefixes are martian routes by default? (Choose tw...
- Question 23: Click the Exhibit button. (Exhibit) You are troubleshooting ...
- Question 24: Click the Exhibit button. Switch-1 in the exhibit receives a...
- Question 25: Click the Exhibit button. Referring to the exhibit, which po...
- Question 26: Which area is reserved for the OSPF backbone?...
- Question 27: Click the Exhibit button. (Exhibit) Referring to the exhibit...
- Question 28: You have deployed a Juniper EX Series switch in the network....
- Question 29: Click the Exhibit button. Referring to the exhibit, which ro...
- Question 30: Click the Exhibit button. (Exhibit) Referring to the outputs...
- Question 31: Referring to the configuration shown in the exhibit, which s...
- 1 commentQuestion 32: Click the Exhibit button. Based on the output shown in the e...
- Question 33: Which two sequence correctly describe the correct processing...
- Question 34: Which state indicates that the BGP session is fully converge...
- 1 commentQuestion 35: Which two statements are true about STP port states? (Choose...
- 2 commentQuestion 36: Click the Exhibit button. (Exhibit) The IS-IS adjacency betw...
- Question 37: Click the Exhibit button. Referring to the exhibit, which ty...
- 1 commentQuestion 38: Click the Exhibit button. Referring to the exhibit, what doe...
- Question 39: Click the Exhibit button. (Exhibit) You have an existing Vir...
- Question 40: Click the Exhibit button. (Exhibit) Referring to the exhibit...
- Question 41: Click the Exhibit button. Referring to the exhibit, what doe...
- Question 42: Click the Exhibit button. (Exhibit) Referring to the exhibit...
- Question 43: Which Junos feature allows you to combine multiple interface...
- Question 44: Click the Exhibit button. Referring to the exhibit, you are ...
- Question 45: You configured a GRE tunnel that traverses a path using defa...
- Question 46: Click the Exhibit button. (Exhibit) Referring to the exhibit...
- Question 47: You are configuring a new BGP service to your service provid...
- Question 48: Click the Exhibit button. (Exhibit) You created a policy to ...
- Question 49: You notice that there are currently two MAC addresses associ...
- Question 50: What kind of filter would be written to protect control traf...
- Question 51: You are a service provider and have multiple customers in a ...
- Question 52: Which two statements are true about Virtual Chassis? (Choose...
- Question 53: You are adding a new EX4300 member switch to your existing E...
- Question 54: What types of authentication are supported in Junos for OSPF...
- Question 55: What are three types of bridge protocol data units? (Choose ...
- Question 56: Which mechanism is used to share routes between routing tabl...
- Question 57: Which statement about IS-IS adjacencies is true?...
- Question 58: You want to provide reachability to your data center by adve...
- Question 59: Which two OSPF LSA types will you see in a stub area? (Choos...
- Question 60: What are three extended BGP communities? (Choose three.)...
- Question 61: What would be used to combine multiple switches into a singl...
- Question 62: Which two statements about RSTP are correct? (Choose two.)...
- Question 63: Click the Exhibit button. In the exhibit, each IP subnet in ...
- Question 64: What are two OSPF packet types that use multicast for commun...
- Question 65: Click the Exhibit button. (Exhibit) Referring to the exhibit...
- Question 66: Which two values are used to generate a bridge ID when using...
- Question 67: Click the Exhibit button. Referring to the exhibit, what is ...
- Question 68: Click the Exhibit button. (Exhibit) The configuration shown ...
- Question 69: Click the Exhibit button. Referring to the exhibit, which st...
- Question 70: Click the Exhibit button. (Exhibit) Referring to the exhibit...
- Question 71: Click the Exhibit button. (Exhibit) You are unable to establ...
- Question 72: Click the Exhibit button. (Exhibit) There are dynamically an...
- Question 73: You disconnected a switch from the Virtual Chassis, but the ...
- Question 74: Which protocol prevents loops and calculates the best path t...
- Question 75: What are two terminating actions of a Layer 2 firewall filte...
- Question 76: Referring to the exhibit, you want router A to have an EBGP ...
- Question 77: Click the Exhibit button. (Exhibit) You are asked to change ...
- Question 78: Which two statements are correct about redundant trunk group...
- Question 79: Router-1 and Router-2 need to connect through the Internet u...
- Question 80: Which two statements describe aggregate routes? (Choose two....
- Question 81: What are two types of IS-IS PDUs? (Choose two.)...
- Question 82: Click the Exhibit button. (Exhibit) You are performing netwo...
