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Cisco 300-320 Designing Cisco Network Service Architectures
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Version: 9.0 Question 1 An organizaton is designing the IP allocaton of a new site. It currently has 12 separate IP segments. Each segment must be /24, accommodate 25% of growth, and be easily summarized. Which summarized IP block can be subneted to meet these requirements? A. /18 B. /19 C. /20 D. /21
Aoswern C Question 2 Summary address blocks can be used to support which network applicaton? A. QoS B. IPsec tunneling C. Cisco TrustSec D. NAT E. DifSerr
Aoswern D Question 3 A network design engineer has been asked to reduce the size of the SPT on an IS-IS broadcast network. Which opton should the engineer recommend to accomplish this task? A. Confgure the links as point-to-multpoint. B. Confgure QoS in all links. C. Confgure a new NET address. D. Confgure the links as point-to-point.
Aoswern D Question 4 What are three primary components in IS-IS fast conrergence? (Choose three.) A. erent propagaton B. LSP fooding
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C. fast hellos D. matching MTUs E. updatng RIB and FIB F. SPF calculaton
Aoswern A,E,F Question 5 A campus network utlizes EIGRP to connect to sereral remote branch ofces. Which confguraton should be established on all branch routers to improre routng scalability and performance? A. Confgure authentcaton between the campus and branch ofces. B. Enable stub routng on all branch routers. C. Adjust EIGRP k-ralues to utlize delay. D. Utlize ofset lists to direct trafc more efciently.
Aoswern B Question 6 Which two design principles should be followed to scale EIGRP properly? (Choose two.) A. Ensure that the network design follows a structured hierarchical topology. B. Utlize route summarizaton on edge derices. C. Implement multple autonomous systems, regardless of the size of the network. D. Tune EIGRP delay metric on all core derices. E. Confgure ofset lists on the network border.
Aoswern A,B Question 7 Which acton can be taken on a multaccess segment with OSPF speakers to reduce the performance impact during widespread conrergence erents? A. Separate the network into multple areas for each new multaccess segment. B. Enable LSA throtling in the core to slow link state adrertsement updates during tmes of network instability. C. Ensure that the elected DR or BDR router can support high-rolume conrergence erents. D. Verify that fewer than 50 OSPF speakers are on the segment.
Aoswern C Question 8 An engineer is atemptng to improre OSPF network performance and discorers that the entre SPT recomputes whenerer a type 1 or type 2 LSA is receired within an area.
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Which acton can optmize SPT operatons? A. Tune LSA throtling thresholds. B. Enable incremental SPF. C. Confgure totally stubby areas throughout the domain. D. Summarize networks on all ABRs.
Aoswern B Question 9 Which opton does best practce dictate for the maximum number of areas that an OSPF router should belong to for optmal performance? A. 1 B. 2 C. 3 D. 4 E. 5
Aoswern C Question 10 A BGP network is haring difculty scaling with the full mesh peer requirement. What two iBGP alternates can scale BGP appropriately? (Choose two.) A. communites B. route refectors C. confederatons D. peer groups E. peer templates
Aoswern B,C Question 11 Which command can you enter to inject BGP routes into an IGP? A. redistribute bgp B. redistribute statc C. redistribute statc subnet D. default-informaton originate
Aoswern A Question 12 Which two features can you implement to control which networks are adrertsed by a BGP router?
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(Choose two.) A. prefx lists B. route maps C. policy maps D. router SNMP statements E. crypto maps
Aoswern A,B Question 13 What are two benefts of using 6to4 as an IPr6 transiton method? (Choose two.) A. 6to4 tunnels allow isolated IPr6 domains to be remotely connected orer IPr4 networks. B. Manual confguraton (scalability) is easier. C. Point-to-multpoint automatc tunneling (automatc 6to4) is arailable. D. An infnite number of address spaces are allocated to an IPr6 subnet. E. Globally unique IPr4 addresses are not required.
Aoswern A,C Question 14 A network engineer is designing a network that must incorporate seamless failorer when a link failure occurs between the core and distributon layer. What two technologies will allow this? (Choose two.) A. ECMP B. RSTP C. MEC D. GLBP E. HSRP
Aoswern A,C Question 15 Which two types of authentcaton mechanisms can be used by VRRP for security? (Choose two.) A. SHA-1 B. MD5 C. SHA-256 D. plaintext authentcaton E. PEAP
Aoswern B,D Question 16
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A network engineer is designing an access layer that requires all uplinks to be actre. Furthermore, VLANs must span across the entre switch block. What design fulflls this requirement? A. Layer 2 looped triangle B. Layer 2 looped square C. Layer 2 loop-free U D. Layer 2 loop-free inrerted U
Aoswern D Question 17 What are two of Cisco's best practces at the access layer to ensure rapid link transitons and VLAN consistency? (Choose two.) A. Deploy RPVST B. Deploy MSTP C. Utlize VTP in serrer/client mode D. Utlize VTP in transparent mode E. VLANs span entre network F. Portast applied on distributon uplinks
Aoswern A,D Question 18 In what situaton must spanning-tree be implemented? A. when frst hop redundancy protocol exists with redundant Layer 2 links between distributon switches B. when a VLAN spans access layer switches to support business applicatons C. when trunks need to extend multple VLANs across access switches D. when it is necessary to speed up network conrergence in case of link failure
Aoswern A Question 19 Which feature supports multple routng tables with orerlapping networks on a single derice? A. VRF B. Metro Ethernet C. RSTP D. VSS
Aoswern A Question 20
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DRAG DROP Drag the task on the lef to the appropriate layer category on the right.
Aoswern
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