Exam 1 Network ops.pdf

8/12/24, 8:52 PM Naval Postgraduate School CLE : IS3502: Network Operations I (SU24_CO) : Tests & Quizzes   IS3502: Network Operations I (SU24_CO)  Tests & Quizzes View System Alert   Edit Profile Image Choose File...

8/12/24, 8:52 PM Naval Postgraduate School CLE : IS3502: Network Operations I (SU24_CO) : Tests & Quizzes   IS3502: Network Operations I (SU24_CO)  Tests & Quizzes View System Alert   Edit Profile Image Choose File No file chosen Save Remove Cancel View All Sites 15 Sites Organize Pinned Pinned Filter sites Summer 2024 CS3600: Introduction to Cybersecurity (SU24_1_BH)  IS3502: Network Operations I (SU24_CO)  MN3331: Principles of Acquisition and Program Management (SU24_2/4_RJ)  OTHER Home PROJECTS S&W Media  Click and drag the  icon, or use your keyboard to select a site and the 'e' or 'd' key to reorder your pinned sites.  You do not have any pinned sites. Pin sites in the "Sites" tab to add them to your pinned list.  CS3600: Introduction to Cybersecurity (SU24_1_BH)  S&W Media  MN3331: Principles of Acquisition and Program Management (SU24_2/4_RJ)  IS3502: Network Operations I (SU24_CO) Sites https://cle.nps.edu/portal/site/7e5ba0d9-9cd9-4030-9e50-2e209ec08fe8/tool/e98afc35-5c2a-4be4-a825-a76d1878eb08/jsf/index/mainIndex 1/19 8/12/24, 8:52 PM Naval Postgraduate School CLE : IS3502: Network Operations I (SU24_CO) : Tests & Quizzes Sites  Home  Overview  Profile  Account  Preferences  Membership  Calendar  Announcements  Resources Pinned  CS3600: Introduction to Cybersecurity (SU24_1_BH)   Overview  Syllabus  Calendar  Announcements  Resources  Discussion Forums  Assignments  Tests & Quizzes  Gradebook  Recordings  Site Info  Polls  Messages  Roster  S&W Media   Overview  Announcements  Syllabus  Readings  Video Links  Lectures NWC Monterey  Lectures NWC Newport  Chronologies  Maps and Atlases  Dr. Sampson's Strategy and War Class Materials  Messages  Links  Library  Graduate Writing Center  Resources  Section Info  Site Info  Wiki  MN3331: Principles of Acquisition and Program Management (SU24_2/4_RJ)   Overview  Lessons  Resources  Tests & Quizzes  Gradebook  Library  Writing Center  Site Info  Messages  Roster  IS3502: Network Operations I (SU24_CO)   Overview  Syllabus https://cle.nps.edu/portal/site/7e5ba0d9-9cd9-4030-9e50-2e209ec08fe8/tool/e98afc35-5c2a-4be4-a825-a76d1878eb08/jsf/index/mainIndex 2/19 8/12/24, 8:52 PM Naval Postgraduate School CLE : IS3502: Network Operations I (SU24_CO) : Tests & Quizzes  Lessons  Calendar  Announcements  Resources  Discussion Forums  Assignments  Tests & Quizzes  Gradebook  Drop Box  Library  Zoom Meeting Info  Site Info  Messages  Roster  Polls No pinned sites yet Recent View all my sites 1. IS3502: Network Operations I (SU24_CO) 2. Tests & Quizzes Tests & Quizzes Exam 1 (SU24) Return to Assessment List Part 1 of 4 54.5 / 82.0 Points Question 1 of 40 4.0 6.0 Points Match the following with the correct OSI layer A. Layer-2 (Data Link layer) B. Layer-3 (Network Layer) C. Layers 5, 6, & 7 D. Layer-1 (Physical layer) E. Layer 4 (Transport Layer) F. This is an example of a Layer-3 (Network layer) IP Address.  C 1. Payload or data https://cle.nps.edu/portal/site/7e5ba0d9-9cd9-4030-9e50-2e209ec08fe8/tool/e98afc35-5c2a-4be4-a825-a76d1878eb08/jsf/index/mainIndex 3/19 8/12/24, 8:52 PM Naval Postgraduate School CLE : IS3502: Network Operations I (SU24_CO) : Tests & Quizzes  E 2. Segment (TCP) / Datagram (UDP)  A 3. Packet  C 4. Frame  D 5. Bit or transmission  F 6. 10.10.0.125 Answer Key: 1:C, 2:E, 3:B, 4:A, 5:D, 6:F Feedback: Ref Table 1-1, p. 26. Question 2 of 40 2.0 5.0 Points Select all that apply to Box B in the figure.  A. HTTP, HTTPS  B. SMTP C. IP D. ICMP  E. TCP F. ARP G. Ethernet H. Wi-Fi I. POP  J. IMAP K. FTP L. FTPS  M. UDP https://cle.nps.edu/portal/site/7e5ba0d9-9cd9-4030-9e50-2e209ec08fe8/tool/e98afc35-5c2a-4be4-a825-a76d1878eb08/jsf/index/mainIndex 4/19 8/12/24, 8:52 PM Naval Postgraduate School CLE : IS3502: Network Operations I (SU24_CO) : Tests & Quizzes Answer Key: E, M Feedback: [Web}: HTTP, HTTPS; [email]: SMTP, POP, IMAP; [File Transfer]: FTP, FTPS. These are all at the application layer Question 3 of 40 2.0 2.0 Points When a switch receives a frame, it automatically transmits it to every switch port. True  False Answer Key: False Question 4 of 40 2.0 2.0 Points Cable that is run above the ceiling or under the subflooring should be plenum rated because it is made from a flame resistant jacket that produces less smoke than PVC if it catches fire. True/False? True  False Answer Key: True Question 5 of 40 3.0 3.0 Points Which of the following devices are you most likely to find in an MDF? [Choose all that apply]  A. Routers  B. Switches C. Network printer  D. KVM switch Answer Key: A, B, D Question 6 of 40 0.0 3.0 Points Whereas an ___________________ is used to find a computer, a __________________________ is used to find a process running on a computer. A. ethernet frame, port based access controller  B. IP address, ARP C. IP Address, ipconfig D. IP address, port https://cle.nps.edu/portal/site/7e5ba0d9-9cd9-4030-9e50-2e209ec08fe8/tool/e98afc35-5c2a-4be4-a825-a76d1878eb08/jsf/index/mainIndex 5/19 8/12/24, 8:52 PM Naval Postgraduate School CLE : IS3502: Network Operations I (SU24_CO) : Tests & Quizzes Answer Key: D Feedback: D. IP address and a port. TCP and UDP ports ensure that data is transmitted to the correct process running on a computer. Question 7 of 40 0.0 2.0 Points 10.10.1.200:80 is an example of a __________________? A. Network time protocol (NTP)  B. date/Port # C. Socket D. Server message block Answer Key: C Feedback: Socket. C. consists of the host's IP address and the processes TCP/UDP port and is separated by a colon. Question 8 of 40 0.0 2.0 Points The organizationally unique identifier (OUI) identifies the NIC manufacturer and is part of the IPv4 address. True  False Answer Key: False Feedback: The OUI is the first half (24 bits) of the 48 bit long MAC address (or physical address). Question 9 of 40 8.0 8.0 Points Match the following well-known TCP and UDP ports. A. 53 B. 143 C. 443 D. 23 E. 20/21 F. 110 G. 67 & 68 H. 80  E 1. FTP (File Transfer Protocol)-Data & FTP  D 2. TELNET  A 3. DNS  G 4. DHCP  H 5. HTTP  F 6. POP3 https://cle.nps.edu/portal/site/7e5ba0d9-9cd9-4030-9e50-2e209ec08fe8/tool/e98afc35-5c2a-4be4-a825-a76d1878eb08/jsf/index/mainIndex 6/19 8/12/24, 8:52 PM Naval Postgraduate School CLE : IS3502: Network Operations I (SU24_CO) : Tests & Quizzes  B 7. IMAP4  C 8. HTTPS Answer Key: 1:E, 2:D, 3:A, 4:G, 5:H, 6:F, 7:B, 8:C Question 10 of 40 5.0 5.0 Points Match the following terms. A. Holds he alternative name for a host. These names can be used in place of the canonical name (i.e., the FQDN). B. Berkley Internet Name Domain C. Stores the DNS name - address mapping for a host. D. Holds the name - address record for an IPv6 address.  C 1. A (address) Record  D 2. AAAA (Address record). "Quad-A record".  A 3. CNAME (Canonical Name) Record  B 4. BIND Answer Key: 1:C, 2:D, 3:A, 4:B Question 11 of 40 2.0 2.0 Points 4. Suppose you send data to the 11111111 11111111 11111111 11111111 IP address on an IPv4 network. To which device(s) are you transmitting? A. All devices on the Internet  B. All devices on your local network C. The one device that is configured with this IP address D. No devices Answer Key: B Question 12 of 40 0.0 2.0 Points You have decided to use source network address translation (SNAT) and port address translation (PAT) on your small office network. At a minimum, how many IP addresses must you obtain from your ISP for all five clients in your office to be able to access servers on the Internet? A. 6  B. 5 C. 4 D. 1 Answer Key: D Feedback: (1). SNAT will assign the same public address to all outgoing transmissions. https://cle.nps.edu/portal/site/7e5ba0d9-9cd9-4030-9e50-2e209ec08fe8/tool/e98afc35-5c2a-4be4-a825-a76d1878eb08/jsf/index/mainIndex 7/19 8/12/24, 8:52 PM Naval Postgraduate School CLE : IS3502: Network Operations I (SU24_CO) : Tests & Quizzes Question 13 of 40 0.0 5.0 Points You are attempting to log onto your LAN but notice the IP address is not quite right. This address is called a/(an) _______________ address and occurs when a host is unable to ______________________________________________________.  A. Loopback address B. Automatic Private IP Addressing (APIPA) C. lease an IPv6 address from the DHCP server D. lease an IPv4 address from the DHCP server  E. reach the DNS server Answer Key: B, D Feedback: APIPA, lease an IPv4 address from the DCHP server Question 14 of 40 2.0 2.0 Points Class D addresses begin with 224 through 239 and are used for multicast transmissions, in which one host sends messages to multiple hosts. True  False Answer Key: True Question 15 of 40 3.0 3.0 Points You are are trying to troubleshoot a network connectivity issue on your LAN segment. You tried to ping a host name "PC1" and received the reply below. To troubleshoot, you successfully were able to ping the host's IP address (10.10.1.20). You suspect this is a __________ issue. What other command line tools could you use to troubleshoot? Select all that apply. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ C:\>ping PC1 Ping request could not find host PC1. Please check the name and try again. C:\> C:\>ping 10.10.1.20 Pinging 10.10.1.20 with 32 bytes of data: Reply from 10.10.1.20: bytes=32 time