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Question 40/62
Which two statements about RSTP are correct? (Choose two.)
Correct Answer: B,C
Explanation/Reference:
Explanation:
B: RSTP and STP can co-exist. RSTP achieves its rapid converges over STP through new mechanisms. If a RSTP switch connects to an STP switch, the RSTP switch will drop down to STP convergence speeds on a per-port basis.
C: Unlike 802.1d (STP), 802.1w (RSTP) uses Hello packets between bridges to maintain link states and does not rely on the root bridge.
Reference: https://www.juniper.net/documentation/en_US/junos12.3/topics/concept/mx-series-rstp-port- states-roles.html
http://www.ciscopress.com/articles/article.asp?p=474236&seqNum=3
Explanation:
B: RSTP and STP can co-exist. RSTP achieves its rapid converges over STP through new mechanisms. If a RSTP switch connects to an STP switch, the RSTP switch will drop down to STP convergence speeds on a per-port basis.
C: Unlike 802.1d (STP), 802.1w (RSTP) uses Hello packets between bridges to maintain link states and does not rely on the root bridge.
Reference: https://www.juniper.net/documentation/en_US/junos12.3/topics/concept/mx-series-rstp-port- states-roles.html
http://www.ciscopress.com/articles/article.asp?p=474236&seqNum=3
- Question List (62q)
- Question 1: Which two values are used to generate a bridge ID when using...
- Question 2: Click the Exhibit button. (Exhibit) You manage the Layer 2 n...
- Question 3: Click the Exhibit button. Referring to the exhibit, what is ...
- Question 4: Depending on the link type, OSPF sends link state update pac...
- Question 5: What are three types of bridge protocol data units? (Choose ...
- Question 6: Which two statements describe the BGP Local Preference attri...
- Question 7: You disconnected a switch from the Virtual Chassis, but the ...
- Question 8: Click the Exhibit button. (Exhibit) Referring to the exhibit...
- Question 9: Click to the Exhibit button. Referring to the exhibit, which...
- Question 10: Click the Exhibit button. (Exhibit) What would cause the sta...
- Question 11: Router-1 and Router-2 need to connect through the Internet u...
- Question 12: An EBGP session sources its TCP connection from which IP add...
- Question 13: What information is included in the DHCP snooping database? ...
- Question 14: Which two statements are true about DIS elections in IS-IS? ...
- Question 15: Click to the exhibit button. Referring to the exhibit, which...
- Question 16: You are currently defining a new OSPF area. The area must ad...
- Question 17: What is reviewed first in the BGP route selection process?...
- Question 18: Which two statements are correct about aggregate routes in t...
- Question 19: Click the Exhibit button. (Exhibit) You are troubleshooting ...
- Question 20: Which static route next-hop value indicated that the packet ...
- Question 21: Which Junos feature allows you to combine multiple interface...
- Question 22: What is the default BGP group type on a Junos device?...
- Question 23: Click the Exhibit button. (Exhibit) You are asked to change ...
- Question 24: Which statement about IS-IS adjacencies is true?...
- Question 25: Click the Exhibit button. (Exhibit) There are dynamically an...
- Question 26: Click the Exhibit button. (Exhibit) You have an existing Vir...
- Question 27: Click the Exhibit button. (Exhibit) What will be two results...
- Question 28: Click the Exhibit button. (Exhibit) The IS-IS adjacency betw...
- Question 29: Click the Exhibit button. In the exhibit, each IP subnet in ...
- Question 30: Which three statements are correct about the voice VLAN feat...
- Question 31: What is considered a requirement for passing traffic through...
- Question 32: Click the Exhibit button. Based on the output shown in the e...
- Question 33: Host-1 was recently added in the network and is attached to ...
- Question 34: Click the Exhibit button. (Exhibit) Referring to the exhibit...
- Question 35: You are asked to ensure that a designated interface on an EX...
- Question 36: Click the Exhibit button. Referring to the exhibit, you are ...
- Question 37: Which statement describes optional transitive BGP attributes...
- Question 38: Click the Exhibit button. (Exhibit) Referring to the exhibit...
- Question 39: What are three extended BGP communities? (Choose three.)...
- Question 40: Which two statements about RSTP are correct? (Choose two.)...
- Question 41: Click the Exhibit button. (Exhibit) Referring to the exhibit...
- Question 42: Which two statements are true about the IRB interface? (Choo...
- Question 43: Which two statements are true about OSPF not-so-stubby areas...
- Question 44: Which protocol prevents loops and calculates the best path t...
- Question 45: Click the Exhibit button. Given the information shown in the...
- Question 46: Which two statements are true about nonstop bridging (NSB)? ...
- Question 47: Which two port security features are dependent on the DHCP s...
- Question 48: You are troubleshooting your OSPF configuration and notice t...
- Question 49: Click the Exhibit button. (Exhibit) You are establishing a B...
- Question 50: Click the Exhibit button. (Exhibit) Referring to the outputs...
- Question 51: Click the Exhibit button. Referring to the exhibit, what doe...
- Question 52: You received an alert from your monitoring system that the m...
- Question 53: Click the Exhibit button. (Exhibit) Referring to the exhibit...
- Question 54: Which statement is true about load balancing of equal cost p...
- Question 55: An EX Series switch receives a frame with an unknown destina...
- Question 56: You manage a Layer 2 network that spans two buildings. You a...
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- Question 58: You have deployed a Juniper EX Series switch in the network....
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